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All Technical Articles

All Newsroom Technical Articles, starting with the most recently posted:


A balloon-borne mission demonstrates the functionality of high-contrast imaging equipment in the stratosphere

16 August 2018
Christian Heipke_Deep Thought

Christian Heipke of Leibniz University Hannover discusses deep learning for remote sensing.

15 August 2018
Jurgen Beyerer, Fraunhofer

Jürgen Beyerer of Fraunhofer discusses machine vision and machine learning.

14 August 2018
Marks_SMART bandage

Photonics for a Better World

8 August 2018

Photonics for a Better World.

2 August 2018

Halina Rubinsztein-Dunlop on mammalian-like zebrafish brains, the optical tools in her research kit, and her favorite role model.

31 July 2018
Jennifer Douris O’Bryan

The US Trade Representative has announced a process for US companies to request permission to continue importing targeted items on a duty-free basis.

20 July 2018
Lynn Loo interview

The inventor of nanotransfer printing is working on an innovative, self-powering smart window.

13 July 2018

There is much to learn about EUVL in the recently published SPIE Press Book, EUV Lithography.

6 July 2018

European industry is an active participant in the quantum technology race.

1 July 2018
GDPR logo from July18 SPIE Pro

In an effort to be 100% GDPR compliant and transparent about data collection policies, SPIE updated its Privacy Policy.

1 July 2018
Paul Corkum, University of Ottawa

The award recognizes Corkum's conceptual contributions and development of new laser methods that led to the creation of the field of attoscience.

28 June 2018
VLT_Rachel Berlowitz

Adaptive optics at Paranal Observatory give satellite-quality images from surface of Earth.

27 June 2018
CEI Grid_William Burgess

A new generation of light sources for cinema comes of age.

25 June 2018
SPIE CEO Kent Rochford

SPIE's new CEO Kent Rochford, formerly of NIST, stepped into his new role 1 June. We asked Rochford to discuss his views on SPIE and the world of optics and photonics.

11 June 2018

The key to discovery, says John Mather of NASA Goddard, is being open to new opportunities.

1 May 2018

Our fascination with the concept of alien life drives scientists and civilians alike to explore.

19 April 2018

A new regime of science at exawatts and zeptoseconds.

16 April 2018

VCSEL technology is finding applications in consumer electronics and more.

9 April 2018
Quantum Tech_cover of SPIE Pro

Devices using quantum technologies are reaching milestones.

6 April 2018
Zerodure hex segment

50 years of Zerodur milestones

4 April 2018
EU regulations

EU-RoHS task force seeks help from the optics and photonics community.

31 April 2018
SPIE PW orange

An industry panel at SPIE Photonics West 2018 discusses the future of additive manufacturing.

28 March 2018
SPIE Photonics for a Better World logo

Photonics for a Better World.

26 March 2018
SPIE Women in Optics logo

A Women in Optics presentation from SPIE Photonics West 2018.

22 March 2018
SPIE PW orange

An interview from SPIE Photonics West 2018.

21 March 2018

The emergence of lidar as a key technology for future autonomous vehicles ratcheted up throughout 2017, with major players including Ford, Airbus, and Osram backing a raft of startups with their own particular takes on the photonics hardware.

20 March 2018

World's oldest dedicated university optics center celebrates a hundred years of optics-related research and education, but notes the need to widen participation.

19 March 2018

New imaging tool for recording changes over time, space, and function

16 March 2018
Tsai_Achromatic Metalenses

A description of the fabrication and use of a broadband achromatic metalens with high focusing efficiency used in transmission for full-color imaging applications in the visible range of the spectrum.

13 March 2018
Ovsianikov_PW presentation

A presentation on 3D printing and bioprinting with multiphoton lithography from SPIE Photonics West 2018.

11 March 2018

From the SPIE Photonics West Show Daily: Quantum technology on exhibit at Moscone Center.

7 March 2018
SPIE PW orange

Since its invention near the turn of the century, the optical frequency comb has heralded a new era in optical frequency measurements.

5 March 2018
SPIE logo

The Photonics West Show Daily spoke with recruiters and students about the optics and photonics job market.

26 February 2018

Can quantitative phase imaging help combat dementia and find a cure for cancer? The technology is set but developers need to increase awareness among biologists, hears Rebecca Pool.

19 February 2018

From precision components in breathtaking timepieces to micro-needles for vein cannulation, breakthrough laser writing from Photonics West exhibitor Femtoprint is reshaping microdevice fabrication.

16 February 2018

SPIE, one of seven international organization members of the International Commission for Optics, has supported the mission of the organization for many years.

14 February 2018

Developing the optics behind LIGO's gravitational wave detectors saw photonics engineers and vendors collaborating on ground-breaking technology. Now those systems are being upgraded further.

12 February 2018
optics key challenge_thumb

A new conference incorporating interactive experience at Photonics West reveals the rapid growth of augmented and virtual realities. Its chair, Bernard Kress of Microsoft's Hololens division, tells Matthew Peach that optics remains the key challenge in developing the ultimate virtual experience.

9 February 2018

SPIE is collaborating with other organizations to host grand challenge events aimed at solving problems in medical imaging.

7 February 2018
SPIE PW orange

R&D highlights from the 2018 session: Presentations from leading researchers in biophotonics.

5 February 2018
SPIE PW orange

A day-long industry conference at SPIE Photonics West highlighted optical technological challenges and successes for VR, MR and AR.

31 January 2018

Taking a path less traveled by women.

29 January 2018
SPIE logo

The 2018 SPIE President shares her career path, education, and other interests with the members of SPIE.

27 January 2018
SPIE logo

Since its inception in 1955, SPIE has focused on providing a conduit for ideas in photonics and optics in a growing and vibrant global marketplace.

26 January 2018

By placing quantum dots on top of graphene, a highly sensitive photodetector is constructed that works simultaneously for visible and IR light.

26 January 2018

The deployment of DFOS is still in its infancy, but as more people become aware of the technology, it will gain wider use.

24 January 2018

Optics plays dominant role in medical imaging market.

22 January 2018

SPIE Classics celebrates 25 years of research and development in optical coherence tomography.

10 January 2018

An article in the SPIE journal Optical Engineering presents an upgradable radio-over-fiber transport system based on a vertical-cavity surface emitting laser-composed wavelength selector.

22 November 2017
OE-Improving partial-th

An article in the SPIE journal Optical Engineering presents a two-step manufacturing process for polymer optical waveguides.

20 November 2017

New medical imaging technologies may accelerate the early detection of cancers.

16 November 2017
SPIE Photonics for a Better World logo

Struggles for opportunity and inclusion are familiar to many women and minorities working to make a career in a STEM.

15 November 2017

This SPIE Tutorial Text excerpt discusses the usefulness and versatlity of fiber Bragg gratings.

10 November 2017

SPIE Classics offers a look at STEM education and outreach programs.

8 November 2017
Mt Wilson Observatory

SPIE Classics and the SPIE Digital Library celebrate the 100th anniversary of the telescope that revealed the universe.

3 November 2017
from article 4125

SPIE Classics celebrates 100 years of optics education and research at top-ranked institution.

20 October 2017
OE_Evaluation of_thumb

An SPIE journal article describes three different methods of assessing the effects of dazzle with two different dazzle protection schemes.

16 October 2017
SPIE Photonics for a Better World logo

Several conferences scheduled for SPIE Defense + Commercial Sensing 2018 will provide forums for the latest information on systems and technologies enabling -and ensuring security within - the IoT.

13 October 2017
SPIE Photonics for a Better World logo

Hyperspectral imaging, like many other of today's technologies, is moving into numerous commercial markets after developing and maturing in the defense sector.

9 October 2017
from OP presentation, Rajesh R. Naik, USAF

A keynote address from SPIE Optics + Photonics 2017.

5 October 2017

SPIE Classics celebrates the 2017 Nobel Prize in Physics.

3 October 2017
from OP presentation, M. Mantysalo,  TTY

A presentation from SPIE Optics + Photonics 2017.

29 September 2017
from OP planary _Alon Gorodetsky,  UC, Irvine

The Gorodetsky Lab explores the properties of structural proteins known as reflectins, which play crucial roles in the functionality of cephalopod skin.

27 September 2017
SPIE Optics + Photonics plenary talks

A plenary talk from SPIE Optics + Photonics 2017.

25 September 2017
SPIE Optics + Photonics plenary talks

A plenary talk from SPIE Optics + Photonics 2017.

21 September 2017
The reflected light from photonic crystal mirrors exhibits a phase shift that varies rapidly with wavelength, complicating design but also enabling new applications.
18 September 2017
from OP plenary_Deji Akinwande, UT Austin

A plenary talk from SPIE Optics + Photonics 2017.

14 September 2017

Photonics industry leaders at SPIE Remote Sensing and SPIE Security + Defence 2017 paint a vibrant picture of Poland's optics and photonics industry.

14 September 2017

The Centre for Earth Observation Instrumentation (CEOI) covers the rapid developments in autonomous remote sensing.

12 September 2017

The Centre for Earth Observation Instrumentation (CEOI) covers the rapid developments in autonomous remote sensing.

11 September 2017
A patterned hyperbolic metamaterial structure excites strong surface plasmon polariton resonance, providing resonant feedback to multiple quantum wells to produce a 289nm UV plasmonic nanolaser.
5 September 2017
Aluminum gallium arsenide nanocrystals fabricated on glass can convert the frequency of light with record efficiency and generate donut-shaped beams.
1 September 2017
Thumb from article 4475

SPIE Classics looks at progress in weather satellite technology.

30 August 2017

Photonics-based radar with optical generation and de-chirp processing of broadband linear frequency modulation (LFM) signals enables real-time ultra-high resolution target detection and imaging.

28 August 2017
Fluorescence, Raman, and nonlinear optical imaging techniques offer subcellular resolution, rapid real-time 3D image acquisition, and the ability to quantitatively analyze the uptake of drugs into skin.
25 August 2017
GOES-R_GOES-16 logo

SPIE Classics celebrates the 40th anniversary of the Voyager space probes.

21 August 2017
Alternative fabrication schemes based on concurrent engineering of plasma etching can overcome the limitations inherent in optical lithography and thus help to achieve ever smaller device dimensions.
18 August 2017
A new method is used to control the plasmonic resonance properties of gallium-doped zinc oxide so that its efficiency is maximized at desired wavelengths.
16 August 2017
The multitrigger resist system is associated with a low cost of ownership and is easily scalable for high-volume manufacturing in future lithography.
14 August 2017
A single photomask is used to align the coordinate systems of two separate metrology tools, to within 25 parts per billion.
9 August 2017
A novel multiple-edge anomalous x-ray diffraction technique can probe and quantify lattice-site-specific elemental occupancy in nanoscale complex alloys, including ultrathin epitaxial films of Heusler alloys.
7 August 2017
GOES-R_GOES-16 logo

GOES-16 is the newest NOAA-NASA weather satellite in geostationary orbit and will provide high-definition images and other data for weather forecasting, severe storm tracking, and meteorology research.

4 August 2017
Precisely designed metamaterials and nanostructures interact with electron beams to mold the flow of photons in a way that can be further exploited by advanced time-frequency analysis.
2 August 2017
Novel silicon-based optical circuits exhibit low propagation and coupling losses at a wavelength of 1.3μm.
31 July 2017

SPIE Fellow Joseph Shaw shows how to observe and photograph optical phenomena from aloft. (An SPIE Professional article).

28 July 2017

SPIE Classics celebrates the 100th anniversary of Nikon.

25 July 2017

The magic of photonic circuitry. (An SPIE Professional article).

24 July 2017

The role of laser technologies in sustainable manufacturing processes. (An SPIE Professional article.)

21 July 2017
A coherent Ising machine based on degenerate optical parametric oscillators enables us to find solutions to combinatorial optimization problems with as many as 2000 nodes.
19 July 2017
Three lidar receiver technologies are compared using the total laser energy required to perform a set of imaging tasks.
17 July 2017

A single chip consisting of six metasurface arrays enables versatile polarization generation at visible light.

14 July 2017
A miniature field-effect spin switch built on polariton condensates is demonstrated at a record-breaking operational energy.
12 July 2017
Super-resolution dipole orientation mapping provides high spatial resolution and accurate dipole orientation information on rapid timescales, and is particularly suited to biological imaging applications.
10 July 2017
An atomic motion sensor, developed by modifying the dispersion of an atomic medium via electromagnetically induced transparency, shows promise for inertial sensing and studies in fundamental physics.
6 July 2017
Enhanced laser-light absorption, achieved using an astigmatic Herriott cell and taking advantage of advances in material purity, offers a new approach for vibration-free, all-optical cryogenic cooling.
3 July 2017
Space-division multiplexing for long-haul submarine transmission increases capacity and improves system power efficiency.
29 June 2017
New ways to manipulate tiny devices by mass-transfer micro-assembly will open a world of possibilities for flat panel displays.
27 June 2017
Aluminum gallium nitride LEDs with glass electrodes can deliver high luminous efficiency in the UV region owing to low contact resistance and high transmittance.
26 June 2017
High-speed performance and DC electrical power generation are simultaneously achieved with novel devices that include specifically designed absorption/collector junctions.
23 June 2017
Glassy carbon nanolattices fabricated using 3D direct laser writing and pyrolysis are the smallest 3D printed lattice structures to date.
21 June 2017
In a two-step procedure, a low level of lysosomal photodamage can markedly increase damage to mitochondrial sites.
19 June 2017
Nanoparticles in a liquid-crystal nanocomposite can be sorted via elastic forces to form 3D solid structures such as capsules and networks.
16 June 2017

SPIE Classics remembers SPIE Fellow Jerry Nelson.

13 June 2017
An optically pumped device features a semiconductor membrane sandwiched between diamond heat spreaders to maximize heat dissipation from the active region.
13 June 2017
Quantum cascade lasers and photoacoustic spectrophones are used to monitor atmospheric levels of methane and black carbon, respectively.
12 June 2017
Using x-ray spectroscopy to analyze a photoelectrochemical cell during water oxidation and hydrogen formation sheds light on the physics and chemistry of photoelectrodes.
8 June 2017

Autostereoscopic (glasses-free) displays provide perspectives of images according to the position of the observer.

6 June 2017
A new mechanism for amplification has far greater efficiency than impact ionization and achieves high gain and ultra low noise, likely as a result of Auger excitation and electron-phonon interactions.
5 June 2017
LIGO detects gravitational waves

SPIE Classics offers a look at the timeline of LIGO's historic discoveries of gravitational waves.

1 June 2017
Fluorescent plastic beads introduced into cells act as microlasers, thus enabling the identification of individual cells, including cancer and brain cells, that can be tracked from one generation to the next.
31 May 2017
A new approach enables the fast simulation of chip-scale imprinting, helping to co-optimize layout designs and processing parameters for acceptable yield and throughput in memory manufacturing.
29 May 2017

A new color microcapsule stepwise transfer process for fabricating full-color electrophoretic displays produces the widest color gamut for these devices to date.

25 May 2017
A universal map, based on power conservation, reveals all allowable scattering states in a single plot and can be used to inversely design field-controllable structures.
23 May 2017
New assemblies have been designed and built, based on 20 years of experience, for use in the Advanced Topographic Laser Altimeter System on NASA's upcoming Ice, Cloud, and Land Elevation Satellite-2.
22 May 2017
A multicolor widefield-fluorescence-microendoscopy system enables the detection of multiple disease states within the human lung.
18 May 2017

SPIE Classics celebrates the birth of the laser -- 57 years ago this month.

16 May 2017
An emerging lithographic technique offers a promising alternative to electron beam lithography for fabricating new semiconductor devices with both traditional and non-traditional resists.
15 May 2017
A new class of microwave filters with unequaled performance, based on a tiny on-chip resonator combined with light-sound interaction, enable coherent control over light carrying microwave information.
12 May 2017
Specialized smart tips and topographic filters are used to fully realize high-spatial-resolution and high-chemical-sensitivity imaging with synchrotron x-ray scanning tunneling microscopy.
11 May 2017
The Autonomous Mobile Ozone Lidar Instrument for Tropospheric Experiments is used to obtain atmospheric profiles from near to the ground to altitudes of more than 10km.
9 May 2017
Frequency- and phase-diverse spatial light modulation can more than double terahertz image acquisition efficiency, effectively parallelizing the single-pixel imaging process.
8 May 2017
A novel experimental setup can be used for the generation of 192.3J output energy (at a near-800nm wavelength), which can support a 5PW laser pulse output.
4 May 2017
A novel fabrication procedure is used to produce flexible devices that include inorganic semiconductor nanowires and that can compete with organic devices in terms of brightness.
3 May 2017
A variant of optical coherence elastography offers a promising method of distinguishing between tumor and breast tissue in lumpectomy specimens in an intraoperative time frame.
1 May 2017

3D printing in space could have repercussions in manufacturing, machining, and space exploration.

26 April 2017
A new silicon waveguide device provides high-performance, ultra-broadband on-chip beamsplitting with a very compact footprint.
25 April 2017
New gold/titanium dioxide photonic band gap semiconductor materials with an inverse opal structure are promising photocatalysts for solar hydrogen production.
24 April 2017

Space technologies find their place in healthcare applications. (An SPIE Professional article.)

20 April 2017
The modulation and allocation of optimized multiplexed subcarriers in short-range data networks, based on a directly modulated bandwidth-limited optical source, enables the transfer of 25Gb/s over 20km of fiber.
18 April 2017
Tailored UV-curable inorganic-organic hybrid polymers are experimentally assessed for two-photon absorption lithography.
14 April 2017
Light can be used to fabricate, handle, power, and actuate microrobotics functionalities, such as the loading and unloading of microcargo, showing promise for drug delivery and biological-testing applications.
13 April 2017

This SPIE Tutorial Text excerpt discusses the use of strain gauges in optical engineering.

12 April 2017
A simple and cost-effective sol-gel method produces stable titanium dioxide and titanium oxynitride photoresists, and is compatible with many photolithographic techniques.
10 April 2017

Optical technology defends against counterfeit drugs. (An SPIE Professional magazine article.)

7 April 2017

This SPIE Press Book excerpt focuses on UAV imaging platforms.

6 April 2017
Highly uniform coatings of novel Bragg-reflector materials decrease the optical losses and increase the sensitivity of the Laser Interferometer Gravitational-Wave Observatory mirrors.
5 April 2017
A whole family of promising nanoengineered photocatalysts have been identified to enable the generation of solar fuels, hydrogen, and oxygen via artificial photosynthesis.
4 April 2017

A number of activities conducted by a support team, including robust calibration and monitoring programs, are used to maintain the observatory's aging instruments and detectors.

30 March 2017
A new technique that computes the eigenmodes of the eddy-current problem provides an aid to classification using broadband electromagnetic induction sensors.
29 March 2017
A tactile display that enables stimulus localization, based on a 240Hz electrostatic force generated by the beat phenomenon, can present tactile sensations to multiple users.
28 March 2017
Enhanced rates of energetic photons are generated above the thermal emission limit in a hybrid thermal-photoluminescent device, which has an efficiency of about 70 at moderate operating temperatures.
26 March 2017
Hybrid-material optical fibers that enable supercontinuum generation show potential for application in widely tunable broadband light sources.
23 March 2017
Freestanding diamond nanostructures are etched from a bulk diamond substrate and integrated with evanescently coupled superconducting nanowire single-photon detectors.
22 March 2017
Room-temperature frequency mixing between terahertz and near-IR beams with a compact semiconductor laser provides new opportunities for nonlinear optics in the terahertz regime.
20 March 2017
Practical and high-image quality flexible LCDs can be realized through the use of polymer wall spacers, a coat-debond process for ultrathin substrates, as well as optical compensation for plastic substrates.
19 March 2017
An electron beam evaporation method is used to fabricate deep-sub-wavelength photonic devices with optical properties that are superior to similar gold components and that are suitable for commercialization.
16 March 2017
Compact dielectric and plasmonic slot waveguides have low loss characteristics and can be fabricated in a CMOS-compatible manner, and are thus suitable for integration in modern integrated circuits.
14 March 2017
Surface-enhanced Raman scattering can be used as an alternative approach for evaluating the toxicity of nanoparticles in single living cells, bypassing the complications faced by conventional cytotoxicity assays.
12 March 2017
A plasma-free etch technique for multi-patterning has the potential to deliver symmetric etch profiles and excellent line-edge and line-width roughness for 7nm semiconductor manufacturing and beyond.
11 March 2017
A new robust tool for estimating the 3D position of targets with sub-metric accuracy has been successfully tested on remotely sensed satellite data.
10 March 2017
SPIE Photonics West 2016 Plenary

From the SPIE Photonics West Show Daily: 2D tunable materials would allow researchers to "move from still-life daguerreotype nanophotonics to the film and television era."

9 March 2017
Relaxing the assumptions behind many existing approaches to aerial perching and manipulation requires novel solutions using onboard sensors and processing.
8 March 2017
Electrochemically etching microfabricated silicon microstructures unveils a new approach for generating micro-optics with unique spatially graded refractive index profiles.
6 March 2017
An improved analysis method shows that Auger recombination and series resistance are the major causes of wall-plug efficiencies of less than 40%.
3 March 2017

Optics and photonics technologies provide the eyes for self-driving cars. (An SPIE Professional magazine article. )

3 March 2017
Novel nonimaging optics solutions are used to achieve maximized concentration and matched etendue and to thus reach high operating temperatures for low-cost, fully dispatchable electricity.
1 March 2017

This SPIE Tutorial Text excerpt addresses the unique challenges of unexploded ordnance (UXO) detection.

27 February 2017
Three rotational mirrors are used in the Saccade Mirror 3 system to achieve a wide gaze-control range of more than 180° and a high-speed response of less than 5ms.
23 February 2017

This SPIE Tutorial Text excerpt provides an inside view of the automatic target recognition (ATR) field from the perspective of an engineer working in the field for 40 years.

21 February 2017
A novel spectroscopic method adds functionality for high-spatial-resolution and high-accuracy detection of lipid-rich plaques.
20 February 2017
Photonics West_thumb

From the SPIE Photonics West Show Daily: The OPTO plenary talks at SPIE Photonics West explored the promise of technology from controlling thermal radiation, quantum dots, and LiFi - wireless communication using visible light.

17 February 2017
Photonics West_thumb

From the SPIE Photonics West Show Daily:The first-ever neurophotonics plenary session at Photonics West featured 10 rapid-fire presentations covering the broad spectrum of current neurophotonics R&D.

16 February 2017
Photonics West_thumb

From the SPIE Photonics West Show Daily: Advances in microscopy dominated the BiOS Hot Topics presentations at Photonics West, detailing advances in new techniques that could dramatically influence molecular research, drug development, and clinical diagnostics.

15 February 2017
A suite of flexible and biocompatible threads, embedded with sensors and electronics, can be sutured/woven into tissue for in situ measurements of physical and chemical biomarkers.
13 February 2017
An innovative full-field optical technique can be used to measure deformation of ocular tissue with nanometric accuracy.
8 February 2017

Photonic circuits aligned to single NV centers are fabricated in diamond using femtosecond laser writing, to enable an integrated platform for the excitation and collection from these optically active spin defects.

7 February 2017
A novel approach for guiding spin waves on the nanoscale has been experimentally verified and is an important step toward realizing spin-wave information transport for wave-based logic circuitry.
6 February 2017
The FireFly architecture features free-space optics communication links and represents an extreme design approach to meet the requirements of modern robust data center networks.
3 February 2017
With fVisiOn, multiple people can view 5cm-tall full-color interactive computer-generated images over a full 360° range.
2 February 2017
Photonics West_thumb

Photonics West authors publish their work on SPIE Newsroom.

2 February 2017
A prototype endoscopic imaging system, based on flexible terahertz waveguide technology, detects tissue abnormalities in real time and may ultimately enhance in vivo cancer screening.
1 February 2017
Specifically designed instruments are used on 40 and 60cm telescopes on Mount Haleakala, Hawaii, to study phenomena such as volcanic activity on Io and exoplanetary polarization.
30 January 2017
High-resolution ex vivo imaging of the brain is achieved with a novel technique that will enable studies of normal brain structure and the effects of neurological disorders.
27 January 2017
The journey of a single molecule can be followed with nanometer spatial precision and microsecond temporal resolution by using interferometric scattering optical microscopy and an ultrahigh-speed camera.
25 January 2017
Four-dimensional scanning ultrafast electron microscopy is used to selectively map charge-carrier recombination, diffusion, and trapping, with extremely high spatial and temporal resolutions.
23 January 2017
Optical components move a high-resolution laser-scan pattern contained in a small field of view across a larger area, eliminating the need for heavy steering mechanisms on platforms such as helicopters.
19 January 2017
Results from a series of tests in a large saltwater tank demonstrate that IR polarimetric images provide much better contrast between oil and water than conventional visible and thermal IR measurements.
18 January 2017
An innovative technique is used to pattern ultrahigh-aspect-ratio coplanar electrodes and to enable inexpensive, high-throughput printing of devices on large-area, flexible substrates.
16 January 2017
Luminophores that consist of carbazolyl and benzonitrile moieties and are shielded by tert-butyl units, are included in novel blue molecules that exhibit high external quantum efficiencies and long lifetimes.
11 January 2017
A novel device is a reversed version of a standard light-field camera and can be used to reconstruct a 3D volume image from a 2D data set.
9 January 2017
Metal and metal oxide nanoparticles are produced on the gram scale with a novel ablation setup that includes a high-power pulsed-laser system, an ultrafast laser scanner, and a customized ablation chamber.
6 January 2017
A new aircraft-certified instrument is suitable for unattended operation on the Polar 6 aircraft, and will ultimately be redesigned as a future microsatellite payload.
4 January 2017
Stimulated Raman scattering is used together with a novel, small-alkyne-tagged glucose analogue to visualize glucose uptake activity at the single-cell level.
30 December 2016
Indium arsenide quantum dots in gallium arsenide wafers offer wider pump-wavelength range, significantly higher thermal tolerance, and higher conversion efficiency than typical terahertz radiation sources.
28 December 2016
Recent advances in laser technology enable a betatron hard x-ray source, with which ultrahigh resolution and fast biomedical imaging may be realized.
26 December 2016
The photoelectrochemical performance of hematite photoanodes for water splitting is boosted by increasing the charge-separation efficiency and suppressing surface electron–hole recombination.
22 December 2016
A new instrument operates in the far-UV wavelength range and is compatible with a range of satellite platforms for science and space-operation support endeavors.
20 December 2016
A spin metal-oxide semiconductor field-effect transistor based on silicon represents a promising candidate for ‘beyond CMOS’ applications.
16 December 2016
3D curved waveguides, cut from tapered fiber faceplates, are combined with spherical optics to make a compact, 125 Mpixel/frame, 360° video camera that is useful for immersive virtual reality content.
15 December 2016
In a novel technique, x-ray nanoimaging is combined with spectroscopy to track the phase transformation inside the cathode material of an operating battery cell.
12 December 2016
Plasmonic oscillations on graphene and 2D biocompatible nanomaterials are combined to yield ultrasensitive devices suitable for clinical diagnostics and early treatment of disease.
9 December 2016
Unraveling the coherent optical response of excited quasi-particles inside semiconductor devices will lay the foundation for the rational design of future photonic devices operating in the quantum regime.
7 December 2016
A novel synergetic approach enables the identification of large-amplitude, short-period internal solitary waves from high-rate satellite altimeter data.
5 December 2016
The use of different fabrication modes for additive and subtractive processes in the novel LithoProf3D platform enables industrial-level scalability for the fabrication of 3D structures.
2 December 2016
Very low precipitable water vapor levels at the summit of Cerro Chajnantor provide the conditions for good transmittance observations.
30 November 2016
An adapted processing chain enhances targets of interest in camera images that have a non-static background, and can thus enable longer-range classification and identification of ships.
29 November 2016
A new principle enables dynamic full-color 3D images to be displayed based on position- and color-selective color transformations in the volume of photochromic materials.
25 November 2016
Characterizing the spectral features of exhaust gases via IR hyperspectral detection enables the standoff detection of distant ships.
22 November 2016
In the Active Learning in Optics and Photonics program teachers are taught inquiry-based strategies, and low-cost optics technologies are brought to the classroom.
21 November 2016
Immensely concentrated sunlight provides a novel method for the synthesis of many nanomaterials that possess remarkable photonic, tribological, electronic, and catalytic properties.
17 November 2016
Transfer printing microstructures onto novel hydrogel interfaces and customised composite electrodes could increase the compatibility and information transfer between body tissue and electronic devices.
15 November 2016
High throughput, enhanced detection performance, and full-body illumination can be achieved with a scanner concept based on existing millimeter-wave technology.
14 November 2016
Atmospheric absorption peaks and near-IR properties of common materials are used in a new method for studying water quality over large areas.
11 November 2016
Ultrafast laser pulses are used in a novel bonding technique to directly weld components with highly dissimilar material properties.
9 November 2016
A terahertz laser, combined with an uncooled microbolometer camera, is used in a digital holography method to provide improved resolution of skin profiles.
7 November 2016
A high-throughput and reproducible lithographic approach enables the formation of ordered nanostructures on optical fiber tips that act as efficient surface-enhanced Raman spectroscopy detectors.
4 November 2016
Stable spatially and spectrally differentiated laser beams can be delivered to remote locations and may thus enable endoscopic in vivo imaging, with resolution beyond the diffraction limit.
3 November 2016

A photoemitter x-ray source array, single-phase grating, and photonic-channeled x-ray detector array provide a larger field of view and improved fringe contrast than conventional systems.

1 November 2016
A new approach, based on simple physical principles, is used to obtain upper bounds for the energy exchange rate between closely separated bodies and indicates the potential for more efficient thermal devices.
1 November 2016
A 10cm3, physically robust instrument has been tested in wind-tunnel experiments, and is suitable for diffusion and convection studies.
28 October 2016
Metallic magnetoplasmonic nanostructures are used for the transducer layers in novel probes to achieve enhanced sensitivity.
24 October 2016
Resonant optical cavities are used for recording and readout purposes, and easily increase data transfer rates by at least a factor of two.
21 October 2016
Two-dimensional field-resolved spectroscopy of Landau electrons reveals population inversion and multiwave mixing that are explained by Coulomb interactions between electrons and the ionic background.
19 October 2016
A novel laser ablation in liquids approach, with ultrashort laser pulses, is used to fabricate substrates for surface-enhanced Raman spectroscopy of secondary explosive molecules.
18 October 2016
Small laser spots can have a negative impact on the accuracy and precision of measurements when used in surface-enhanced Raman scattering for quantitative characterization.
14 October 2016
Laser annealing opens new possibilities for increasing throughput and reducing manufacturing costs in thin-film solar cell processing.
12 October 2016
Advantages such as high resolution and throughput, along with insensitivity to misalignment, make extreme-UV interference lithography a powerful enabling technology for academic and industrial research.
10 October 2016
A novel smooth pursuit tracking method can be used to accurately track small targets in aerial videos.
6 October 2016
A unique LED lighting system uses an image-expanding optical mechanism to form light patterns for entertainment and safety applications.
3 October 2016
Beam combination of non-collinear inputs in a diamond Raman amplifier enables generation of high brightness, wavelength-shifted laser beams for high-power applications.
29 September 2016
Nuclear spins in diamond can store photonic information with high fidelity and have coherence times that exceed 10s, making diamond potentially useful as a node in quantum communications.
27 September 2016
Robotic ‘tongues’ that have continuous and compliant backbones enable robots to grasp objects that are otherwise difficult or infeasible to capture when using parallel jaw grippers.
26 September 2016

A decade's worth of advances in five years is the goal of the photonics community and partners, working on imaging, diagnostics and data management.

23 September 2016
Fundamental and robust pre-processing of cranial computed tomography exams enables algorithms for automatic analysis and interpretation of diagnostic images in acute stroke.
22 September 2016
A novel dark-field Mueller-matrix spectroscopic system facilitates the recording of complete polarization information from a single isolated plasmonic nanorod.
21 September 2016
Optical and visual microphones offer novel possibilities for sound capture and storage beyond traditional mechanical sensing systems.
20 September 2016
Cobalt disulfide and cobalt diselenide thin films act as cocatalysts and passivation layers to improve the performance and stability of silicon microwire photocathodes.
19 September 2016
The shared-aperture phased antenna array and geometric phase concepts are combined in a novel technique to obtain photonic spin-controlled multifunctional devices.
19 September 2016
Two novel approaches enable imaging of cells over large fields of view, with high spatiotemporal resolution.
16 September 2016
High-luminance, chip-scale, packaged LEDs enable significantly smaller vehicle headlights that have new dynamic functions.
16 September 2016
State-of-the-art non-lethal weapons, munitions, and devices are produced as part of the US Department of Defense's Non-Lethal Weapons Program.
14 September 2016
Light–matter interactions are strongly coupled in the liquid cores of novel optofluidic devices that are suitable for integration in compact and highly sensitive optical sensors.
14 September 2016
A novel approach, based on the principle of an optical switch, involves integration of a phototransistor into the laser cavity.
13 September 2016
Miniaturization of satellite remote sensing promises lower costs, and SeaHawk is a prime example, offering global coastal ocean color imagery comparable to previous larger and more expensive systems.
13 September 2016
A novel methodology for quantifying design space coverage has great potential for yield optimization of integrated circuits at the 7nm node and beyond.
12 September 2016
Photonic integrated circuits manufactured in fabrication foundries for generating millimeter-wave radio signals provide the size and performance needed for fifth-generation wireless communications.
9 September 2016
Solution-processing methods are used to synthesize metal-oxide nanoparticle suspensions and thus realize efficient and stable devices.
8 September 2016
Hyperspectral imaging and chemometric methods are combined in an innovative approach for fast, in situ, and low-cost asbestos recognition.
8 September 2016
A profiled laser allows for dynamic Raman imaging of living cell structure and functions, and alkyne tags improve the Raman signal with minimal physiological perturbation.
7 September 2016

A novel fabrication process from the Capasso lab develops highly efficient planar metalenses that allow for diffraction-limited focusing, unprecedented imaging quality, and the ability to resolve chirality.

6 September 2016
A novel class of nonlinear phenomena in metallic nanostructures, determined by nonlocality of the electron response, could find numerous applications in nanoscale nonlinear optics.
1 September 2016
A novel all-optical technique allows conduction and valence band modifications to be studied on a femtosecond timescale.
31 August 2016
Plastic foil substrates and chromium oxide interlayers are used in a novel technology that combines high efficiency, low weight, and extreme flexibility in a single platform.
30 August 2016
A novel super-multiview effect simulator can be used to simultaneously project up to four different-view images to each eye of a viewer.
29 August 2016
Using specialized mirrors to enable optical scanning in through-focus optical microscopy reduces through-focus instability and scan time.
27 August 2016
A holographic optical trapping technique enables 3D manipulation of cytoskeletal filaments, such as for building complex networks that capture key features of biological cell structures.
26 August 2016
Optically anisotropic liquid crystal polymer layers are used in each resonant cavity of a resonator array to achieve image selection by polarization for low-cost security labels.
25 August 2016
An assay based on silver nanoparticles of different colors provides rapid diagnosis for multiple diseases.
24 August 2016
A novel device architecture is used to simultaneously achieve extremely high internal quantum efficiencies, low drive voltages, and long lifetimes, at practical luminance levels.
24 August 2016
The Stratospheric Observatory for Infrared Astronomy operates from a modified Boeing 747 and enables unique spectroscopy and imaging not possible with ground-based IR observatories.
23 August 2016
The precipitation of lithium niobate crystal, under various writing conditions, was confirmed using Raman spectroscopy to measure the vibrational modes.
23 August 2016
A sensitive quantum device, designed to operate on a nanosatellite, was recovered from explosion debris and displays no degradation in quality.
22 August 2016
The very high flux of an x-ray beam reflected from a mirror is used for rapid synchrotron microtomography, as an alternative to monochromatic beams.
22 August 2016

Tactile sensors and ‘electronic skin’ made from 2D materials could be worn on the body to enable continuous monitoring of motion.

18 August 2016
With an increasing number of microphone and reflector array elements, photoacoustic signals can be enhanced and noise can be suppressed, without an increase in detection time.
17 August 2016
A proposed technique provides a simple and computationally inexpensive method for enhancing the spatial resolution and reducing the speckle noise of reconstructed images.
17 August 2016
Spatial and spectral control of emissivity up to the diffraction limit with an inhomogeneous metasurface is experimentally demonstrated.
16 August 2016
Technology testing has been used to demonstrate a new sensor system that is applicable for high-throughput security screening of people and vehicles.
15 August 2016
Deconvolving resting-state brain activity from hemodynamic effects reveals a set of spatially and temporally overlapping networks, providing new insights into brain function in health and disease.
15 August 2016
Preliminary results from a single-trial rapid serial visual representation task demonstrate the potential for enabling generalized human-autonomy sensor fusion across multiple subjects.
13 August 2016
A new system enables multiparametric scans for investigating rodent models of diseases and cross-validation studies of bimodal imaging probes.
12 August 2016
A novel synthesis method provides nanoparticles that are terminated with carbonate-like groups and creates an amorphous/crystalline structure for effective separation of electron-hole pairs.
12 August 2016
A novel, low-cost spacer-on-spacer pitch-splitting approach is targeted at sub-32nm pitch for 7nm technology nodes and beyond.
11 August 2016
Two-photon spectroscopy reveals that deep-UV light emission originates from phonon-assisted transitions in hexagonal boron nitride.
10 August 2016
A new computational imaging approach to x-ray tomography enables real-time material identification of complex objects from a single measurement.
10 August 2016
Curing and sintering of silicon carbide with phenolic resin and carbon produces materials that have the mechanical strength and environmental stability required for the largest telescope mirrors.
9 August 2016
Emerging interferometric techniques are combined with uncooled microbolometers in the Miniaturized IR Detection of Atmospheric Species instrument.
9 August 2016
Arrays based on vertical-cavity surface-emitting lasers offer a high-bandwidth, low-power, and low-cost solution for intra-data centers.
8 August 2016
Thulium-doped fibers, pumped at 920nm and amplified at 2μm, can rival traditional ytterbium-doped fibers.
5 August 2016
A novel strategy is used to synthesize porous gold-silver alloy nanospheres encased in ultrathin silica shells that can act as highly sensitive single-particle probes.
4 August 2016
High-resolution transmission electron microscopy is combined with a novel preparation method, based on superhydrophobic sample control, to achieve a spatial resolution of down to 1.5Å.
3 August 2016
The impact of humidity observations, from the Sounder for Atmospheric Profiling of Humidity in the Intertropics by Radiometry instrument, on an existing unified model assimilation system is investigated.
3 August 2016
A microsphere superlens is used to convert evanescent waves into propagating waves and provide an imaging efficiency that is 40 times higher than for atomic force microscopy.
2 August 2016
Accurate mechanical measurement of stiffness in individual breast tumor cells provides information that can assist with disease prognosis.
1 August 2016

Lateral photonic integration of oxide-confined leaky vertical-cavity surface-emitting lasers enables their application in data communications and sensing.

1 August 2016
Lightweight additive-technology metamaterials, and optical systems that combine interferometry with fixed-pupil segments, enable detection of possible extraterrestrial life from large ground-based telescopes.
30 July 2016
Low-coherence interferometry is used in combination with a hand-held probe for purposes of precision metrology and quality control.
29 July 2016
A novel annihilating filter-based low-rank Hankel matrix approach can be combined with classical analytic reconstruction techniques for application to several compressed sensing imaging problems.
27 July 2016
Silver nanoparticles are used in two different strategies to achieve high sensitivity to parasites and thus facilitate early malaria diagnosis.
27 July 2016
Interfacial triplet-triplet energy transfer is used to significantly extend the exciton lifetime of cadmium selenide nanocrystals in an experimental demonstration of their molecular-like photochemistry.
25 July 2016
Examining the physical limitations of optical coating materials and their manufacturing processes improves the laser damage resistance of optical components.
25 July 2016
Fully fiber-integrated femtosecond laser systems covering the visible spectrum could take advanced biomedical imaging techniques from the laboratory to real-world applications.
23 July 2016
An approach that uses a two-way LC lens and novel pixel arrangement enables 3D properties suitable for landscape and portrait displays.
22 July 2016
A cost-effective, freeform method of manufacturing epidermal electronic systems enables long-term, high-fidelity physiological signal monitoring.
21 July 2016
Phase-sensitive imaging and computational correction of patient-specific optical aberrations enable high-resolution imaging of the human retina to aid diagnosis and treatment of eye diseases.
20 July 2016
The complex paths of scattered light that are typically ignored in imaging can be analyzed using time-of-flight imaging systems.
20 July 2016
Interference lithography for mastering and nanoimprint lithography as a microstructure replication technology offer scalability for applications in photovoltaics as well as lighting and displays.
19 July 2016
Novel devices feature improved carrier transport and operate under higher-order modulation schemes to enable increased data transmission rates.
18 July 2016
A novel material composed of nanostructured, decoupled graphene layers, inspired by the humble moth, is the most light-absorbent for its weight to date.
18 July 2016
High-performance detectors that are compatible with mainstream semiconductor device fabrication deliver high speed, ultra-sensitivity, and good timing resolution.
15 July 2016
Optimum sunlight absorption in thin absorbers such as silicon can be achieved via the introduction of novel pseudo-disordered photonic nanopatterns.
14 July 2016
Global positioning satellite and satellite radar interferometry measurements indicate the birth of a magma chamber along the Taupo Volcanic Zone.
13 July 2016
A new instrument on the 4m Mayall Telescope at Kitt Peak National Observatory will use 5000 robotic fiber positioners to create a 3D redshift map of the universe to study dark energy.
13 July 2016
Combining tightly focused laser beams with surface-treated microtools enables injection and surface biopsies on individual live cells, with minimal disruption to their normal function.
13 July 2016
A broadband approach enables interoperable communications within legacy private mobile radio networks and creates the potential for many novel products, services, functionalities, and real-time applications.
12 July 2016
The number of voxels in a volumetric display is increased using holographic laser drawing with a computer-generated hologram and a multilayer fluorescent screen is used to generate a multicolored display.
11 July 2016
Global stability analysis shows that new-generation semiconductor lasers may be dynamically more stable than conventional lasers despite having more degrees of freedom.
9 July 2016
A computationally efficient theoretical approach is used to assess the performance of novel devices with directly emitting optical vortex modes.
8 July 2016
Silicon fins with a pitch less than 30nm and suitable critical dimensions for advanced field effect transistors are formed by directed self-assembly patterning via chemoepitaxy or self-aligned customization.
8 July 2016
A new three-probe measurement system has been developed and implemented with a data-stitching algorithm to improve its accuracy.
7 July 2016
Silicon quantum dots that are co-doped with boron and phosphorus exhibit bright and stable luminescence in the near-IR wavelength range and are environmentally friendly.
6 July 2016
In a new stochastic sensing approach statistical properties of illumination are controlled to provide an efficient optical probe, even in poor experimental conditions.
5 July 2016
Tunable light sources and megapixel detectors can improve mid-IR spectral imaging for large-scale histopathological assessment of biological tissues, enabling rapid medical diagnosis.
5 July 2016
A novel project, known as the Pathology Operating System, is being tested and implemented in Sweden for the digitalization of pathology services.
2 July 2016
A bilayer system is used in a simplified process to achieve reduced costs compared with standard fabrication methods that are based on organic photoresists.
1 July 2016
A chaotic semiconductor laser under distributed feedback, induced by a fiber Bragg grating, enables random bit generation at a high rate that is continuously tunable up to 100Gb/s.
1 July 2016
Self-assembled bilayers enable the incorporation of molecular photon upconversion directly in a dye-sensitized solar cell.
30 June 2016

A graphene-based electronic patch monitors glucose in sweat noninvasively and provides feedback-controlled drug delivery by using microneedles with a heat-responsive coating.

29 June 2016
Biosensors printed using laser-induced forward transfer can be optimized using a novel complementary-strand method to achieve high sensitivity for multiple-analyte detection.
28 June 2016
Dynamic holograms recorded in an optical nonlinear medium allow deceleration and acceleration of light pulses in a backward-wave four-wave mixing configuration.
28 June 2016
Measurements taken from a new lidar observation system could support studies of cloud formation.
27 June 2016
Speckle imaging, an older technique for obtaining diffraction-limited resolution with large telescopes, is back in a big way thanks to electron-multiplying CCDs.
24 June 2016
A photoactivated technique targets tumor cells and simultaneously triggers the release of inhibitors at ‘ the right time and place’ to block the mechanisms that enable some cancers to escape treatment.
24 June 2016
An ultrastable spectrophotometry method can be used to mitigate the effects of telescope pointing jitter and primary mirror deformation.
22 June 2016
Early results from the MeerKAT radio telescope project are providing guidance for scientific research enterprises, including the Square Kilometre Array telescope ‘megaproject.’
21 June 2016

Wearable devices are rapidly advancing in terms of technology, functionality and size, with more real-time applications. The disruption has already begun in health monitoring.

21 June 2016
Image formation based on computation and aberrated optical design provides a promising approach for volumetric imaging studies of biological dynamics at cellular and sub-cellular resolution.
20 June 2016
Spectroscopy studies of charge transfer from cadmium selenide quantum dots to molecular nickel catalysts reveal unexpectedly fast electron transfer, enabling exceptional photocatalytic hydrogen production.
18 June 2016
A new pixel-based absolute test method is used to determine the zero-gravity surface shape of a target mirror under normal gravity conditions and to remove interferometric errors.
17 June 2016
A ground-based optical interferometer successfully detects geostationary satellites from the ground.
16 June 2016
A new approach enables glucose detection over a spectral range that offers superior depth penetration in tissue, and thus presents possibilities for non-invasive blood sugar monitoring.
15 June 2016
Light emission occurs from a metal-free region in a proposed structure, which reduces optical losses and power dissipation, and opens up the possibility of realizing an electrically driven organic laser.
15 June 2016
High-contrast staining and artifact-free sample preparation for transmission electron microscope tomography allows hidden structures and defects in directed self-assembly films to be investigated.
14 June 2016
A significantly more accurate model, which has been verified with rainfall measurements from a typhoon in Taiwan, is obtained by considering a topographic effect.
13 June 2016
Spiral nanogrooves and nanoring slits are used on an integrated device to achieve parallel manipulation of the angular momentum of light and thus pave the way for ultrawide bandwidth optical technologies.
13 June 2016
Material-specific spectral signatures are produced in a new methodology that enables simpler standoff detection.
11 June 2016
A variety of numerical tools can be used to compensate for unwanted aberrations in acquired digitized holograms and improve the precision of metrology measurements.
10 June 2016
A novel process obtains high-performing single-layer perovskite LEDs that can be fabricated easily and economically in ambient conditions.
10 June 2016
Low-cost, low-dimensional nanoarchitectures provide optimal structures for charge collection in large-scale solar energy harvesting and conversion applications.
9 June 2016
An innovative optical design for the Near-IR Imaging Spectrometer for Star Formation History instrument overcomes many limitations associated with conventional on-axis optics.
8 June 2016
Impressive progress in replacing 193nm immersion multi-patterning techniques has been made in the last few years, but there are several remaining challenges before the full scaling benefits can be realized.
8 June 2016
Near-IR light at wavelengths of 1600–1870nm offers the best transmittance for deep brain imaging.
8 June 2016
A new concept of combined disaster mitigation and sustainable engineering is illustrated through a number of proposed tsunami and river flooding protection schemes.
7 June 2016
A new, simple, one-step synthesis methodology gives rise to the intergrowth of different components, which can create strong coupling and favorable physicochemical properties.
6 June 2016
Silica optical fiber Bragg grating sensors made with ultrafast lasers are ideally suited for sensing in high-temperature environments.
4 June 2016
Metal organic vapor phase deposition on etched 4-inch-diameter sapphire wafers is used to create low-defect-density gallium nitride templates.
3 June 2016
Doping cadmium telluride with phosphorus provides increases in acceptor density and minority carrier lifetime to enable the construction of solar cells with an open-circuit voltage greater than 1V.
2 June 2016
A design technology co-optimization assessment is used to demonstrate the feasibility of this semiconductor fabrication approach.
1 June 2016
A comparison of imaging using deuterium oxide and water immersion media shows that deuterium oxide significantly enhances signals for image contrast in the 1700nm excitation window.
1 June 2016
A giant optical path length is created from a few layers of molybdenum disulfide and is used to fabricate an ultra-thin optical lens.
31 May 2016
Single-photon Raman interaction, a control-fields-free interference-based scheme, enables deterministic interactions between photons and between single photons and single atoms.
31 May 2016
Single-point terahertz inspection and time-domain terahertz reflection tomography methods are used in a new anomaly detection system that has high detection probabilities and low false alarm rates.
28 May 2016
Displays with a very high pixel density over a large physical surface have applications in scientific data analysis and crisis management.
28 May 2016
Finite element technology and practical insights can enhance the accuracy of magnetic resonance-guided ultrasound biopsy of the prostate.
27 May 2016
Non-diffracting Bessel vortex beams exhibit diverse propagation regimes in glass that can be observed with a novel imaging strategy.
25 May 2016
Intriguing component shapes in recent optical designs have spawned challenging mathematical approaches and fabrication methods, but are part of a long historical context.
24 May 2016
A simple method for controlling the shape of cadmium sulfide nanocrystals has been developed, and the nanocrystals used as photocatalysts for water splitting.
24 May 2016

DC currents can be generated in unbiased dielectrics and semiconductors by excitation below their band gaps with ultrashort optical pulses.

23 May 2016
A hybrid energy harvester combining photovoltaic, pyroelectric, and thermoelectric devices enables use of the full solar spectrum to generate electricity.
21 May 2016
Lanthanum fluoride particles passively collect in tumors and amplify applied radiation doses, while also transferring energy to photosensitizer dyes that enable the targeting of cancerous cells.
20 May 2016
A novel passive repeater, based on a chain of 3D dielectric particles, has been proposed and numerically simulated.
19 May 2016
A scanning transmission electron microscope coupled to a Hanbury Brown and Twiss interferometer is used to achieve cathodoluminescence in a novel experimental technique.
19 May 2016
By connecting telescopes electronically, rather than optically, atmospheric turbulence is avoided and microarcsecond resolutions may be achieved.
18 May 2016
An eye-safe, mid-IR hyperspectral active standoff detection system provides identification, detection, and confident quantification of chemical mixtures.
18 May 2016
Novel liquid-crystalline polymers that respond to specific stimuli by changing their shape or color can be used as soft actuators and optical sensors for environmental, energy, and biomedical applications.
17 May 2016
Several multi-rotor unmanned aerial vehicles are used to demonstrate the potential applications of 3D imaging ladar systems.
17 May 2016
Repeated plasma deposition and etching steps enable the patterning of fins with the potential to meet requirements of N7 and N5 technologies for profile, depth, uniformity, and pitch walk.
14 May 2016
A novel dielectric metasurface platform provides simultaneous and complete control of optical wavefront and polarization with subwavelength spatial resolution and high transmission efficiency.
13 May 2016
A new full-field transmission x-ray microscope has spatial resolution as high as 20nm and an in situ imaging capability.
12 May 2016
A novel elastomer-based device combines electroadhesion with electroactive polymer actuation, and can hold objects up to 80 times its weight.
11 May 2016
A collaboration of European researchers offers support and guidance to businesses that require, or are considering, the use of laser technologies.
10 May 2016
A novel photolithography technique based on laser speckles and their properties is used for the fabrication of tunable and controlled random media, random gratings, and black silicon structures.
9 May 2016
A liquid crystal on silicon is used to realize a multiple-input and multiple-output wavelength selective switch that is based on the optical system found in conventional devices.
6 May 2016
A hybrid high-energy thin-disk laser enables a new family of driving sources for ultrafast experiments.
5 May 2016
A hexagonally patterned hyperlens array enables high-throughput super-resolution imaging of living cells, without the need for complex optical systems.
4 May 2016

A physical analytical model has been developed for a novel graphene-nanoribbon-based device.

2 May 2016
Quantum dots exhibit a measurable rapid photoluminescence response to neuron-like electric fields and can thus be used to observe neuronal action potentials.
27 April 2016
A simple and robust core-pumped ytterbium-doped fiber amplifier enables efficient stimulated Brillouin scattering mitigation and excellent beam quality.
26 April 2016
DNA can align liquid crystal molecules, providing a convenient and inexpensive template for the fabrication of new LCD devices.
25 April 2016
Functionalizing metal oxides with heterojunction nanostructures improves optical absorption and charge carrier mobility and reduces electron–hole recombination for photoelectrochemical water splitting.
22 April 2016
A novel low-cost scanning microscope enables robust, scalable imaging for microfluidic systems and photonic integrated circuits.
22 April 2016
The butterfly proboscis is a unique, naturally engineered device for acquiring liquid food, and may inspire novel developments in micro- and nanofluidic engineering.
21 April 2016
Totally transparent photoelectric devices can be used in photodetectors and transparent solar cells to improve UV light detection.
20 April 2016
Combining a plasmonic photomixer with a novel two-section digital distributed feedback laser diode enables generation of high-power, wavelength-tunable terahertz radiation at room temperature.
19 April 2016
A new hardware-accelerated projective transformation engine is embedded within a high-speed digital light processing projector.
18 April 2016
Improved understanding of the origin of mode instabilities enables engineering of ytterbium-doped fibers for high-power laser applications.
18 April 2016
LIGO test mass

The first detection of a gravitational wave depended on large surfaces with excellent flatness, combined with low microroughness and the ability to mitigate environmental noise.

15 April 2016
Pattern formation down to 5nm critical dimensions is made possible using an enhanced understanding of the interactions between plasma and block copolymers.
15 April 2016
Combining satellite imagery with social media data enables a good match between predictions and observations in emergency situations.
14 April 2016

A quantum process called singlet fission could boost solar cell efficiency by harnessing inaccessible parts of the solar spectrum.

13 April 2016
Twisted graphene quantum dots, with chiral amino acids around their edges, enable a new biocompatible nanomaterial that displays chiral selectivity when interacting with live cells.
13 April 2016
A new platform for low-power nonlinear optics has a high nonlinear figure of merit and can be used to generate a wideband supercontinuum.
12 April 2016
Algorithms that dramatically improve the quality of video sequences captured in very dim light have been developed on the basis of the neural mechanisms in nocturnal insects with excellent visual capabilities.
11 April 2016
Combining stimulated-emission-depletion microscopy with fluorescence-correlation spectroscopy enables the simultaneous confocal and super-resolution monitoring of molecular diffusion.
9 April 2016
New material architectures and electrode surface topographies are used in high-power batteries to improve battery lifetime and cell stability.
8 April 2016
Aluminum gallium nitride UV-C LED devices fabricated with novel epitaxial techniques show improved efficiency and have longer operating lifetimes.
8 April 2016
Nanoimprint technology combined with defect management could significantly reduce the cost of lithography for fabricating semiconductor devices.
7 April 2016
A novel set of nanowire-based techniques enables the development of blue, green, and red LEDs, and shows promise for advanced display applications.
6 April 2016

Monitoring the properties of light transmitted through a thread of spider silk enables detection of trace amounts of chemical compounds.

5 April 2016
The lithographic capabilities of a photoresist-based material facilitate direct 3D manufacturing of electrically conductive and transparent nanostructures.
4 April 2016
A laser Doppler vibrometer is used in a camera-based tracking system to survey the vibrations of rotor blades during normal operation of a power plant.
1 April 2016
Two optical frequency combs based on two modelocked beams, generated using one gain medium, could serve as a compact and cost-efficient source for applications such as dual-comb spectroscopy.
31 March 2016
Fluorescent dye aggregates are used to improve light harvesting and device efficiency by increasing the dye concentration and reducing reabsorption.
31 March 2016
Metal organic chemical vapor deposition is used to grow aluminum gallium nitride interlayers within indium gallium nitride/gallium nitride multi-quantum well structures on silicon substrates.
30 March 2016
Topological waveguide arrays can be used to build on-chip optical diodes with large operational bandwidths and high isolation ratios.
30 March 2016
Direct laser interference patterning can be used to fabricate periodic structures directly on polymers, ceramics, metals, and coatings at micrometer and nanometer scales.
29 March 2016
A new microfluidics-based 3D tissue culture method facilitates rapid and simultaneous viability measurements on multiple samples, offering the possibility of patient-specific assays.
28 March 2016
Remote sensing technologies enable plant breeders and geneticists to characterize canopy function in thousands of plant varieties.
25 March 2016
A novel approach merges the sensitivity of plasmon-enhanced spectroscopies with the quality and integrability of semiconductor devices for mid-IR sensing.
25 March 2016
The windshield-refracted augmented reality projector is used to achieve hyperreality performance with free depth perception, high visibility, and low eye fatigue.
24 March 2016
A collaboration between the US government, industry, and academia would present an opportunity for individual partner capabilities to be exchanged and harnessed.
22 March 2016
Post-selecting energy-time-entanglement quantum key distribution systems are vulnerable to security attacks where the hacker can infiltrate without leaving a trace.
22 March 2016
A tiny, low-cost evanescent-field biosensor chip with a directly integrated optical detector enables carcinogenic contaminant detection and shows promise for point-of-use application.
21 March 2016
Ultra-short optical solitons and soliton Cherenkov radiation are generated inside a novel device and produce a coherent optical spectrum that spans two-thirds of an octave.
18 March 2016
A new type of chemical sensor is based on a magnetic surface spin wave oscillator as a magnetic field detector, combined with a layer of magnetic nanoparticles as the gas-sensitive medium.
16 March 2016
Conventional microprocessing materials and tools are used in a novel high-throughput fabrication technique.
15 March 2016

Novel solar thermal collectors that incorporate optics and absorbers based on metamaterials and nanoparticle suspensions can provide high-temperature heat for industrial applications.

14 March 2016
Information storage based on the introduction of nanostructures into fused quartz using a femtosecond laser could ensure all that we have learned will not be forgotten.
11 March 2016
Graphene modulators are combined with erbium fiber lasers designed to operate with ultralow timing jitter in a new device for generating frequency combs.
10 March 2016
Femtosecond laser pulses can be used to switch magnetic domains in terbium iron cobalt, showing promise for light-based computer memory.
9 March 2016
Analyzing the optical properties of plant cells forms the basis for an adaptive optics microscope that obtains near-diffraction-limited images.
9 March 2016
A variant of Raman spectroscopy allows detection and identification of concealed material without affecting the sample, showing promise as a defense technique.
8 March 2016
A statistical analysis shows that the predictability of extreme events is different for distinct rogue-wave supporting systems.
7 March 2016
Solution growth enables the production of large single crystals of hexagonal boron nitride with high purity and low defect density for electronic and photonic applications.
4 March 2016
Diffraction efficiency and peak signal-to-noise for an amplitude hologram, phase hologram, and kinoform are used to assess the quality of a Fourier transform hologram in a new methodology.
3 March 2016
Incorporating adaptive optics, such as a deformable mirror, in super-resolution microscopy enables imaging of structures at depths of 15μm.
2 March 2016
Advances in laser cooling of atoms have produced a new generation of inertial sensors based on matter-wave interferometers, which are becoming an essential technology for accurate positioning or geodesy.
1 March 2016
Metal-oxide nanostructures and composites have potential as functional materials for the development of renewable-energy resources and technologies.
29 February 2016
Reducing quantum fluctuations in the electromagnetic field of light enables high-resolution images to be obtained via remote sensing with potential applications in satellite-borne systems.
26 February 2016

A new architecture, based on a single optical parametric oscillator, is used to produce entanglement between qumode optical fields.

25 February 2016
Multimodal sensors enhance chemical selectivity and reduce false-positive/negative signals in explosive vapor detection.
24 February 2016
A new set of measurements provides the tightest ever constraint for the Bell parameter, which constitutes the closest ever approach to the Tsirelson bound.
24 February 2016
Micro-optoelectromechanical systems can enhance the functionality of next-generation spectrographic devices for space observations.
23 February 2016

Photonics West authors publish their work on SPIE Newsroom

22 February 2016
An etching process based on a three-layer stack achieves transfer into silicon of patterns with a depth of less than 5nm and a half-pitch of less than 20nm written by thermal scanning probe lithography.
22 February 2016
Computer models are effective for predicting electro-optic sensor performance, as long as simulation software is validated against real-world observations.
22 February 2016
Terahertz images obtained with solid-state-based sensors at different frequencies can be used to analyze the chemical content of packaged materials when the spectra are known a priori.
22 February 2016
A novel monolithic grating can be designed to reflect light of almost any wavelength and can be used in integrated optoelectronics systems.
19 February 2016
Detecting proteins and nanobioparticles using microarray technologies enables resolution and sensitivity beyond the reach of ensemble measurements.
18 February 2016
A purely chemical quasi-isotropic diamond etch is used to undercut devices patterned from bulk diamond chips.
17 February 2016
A single-crystal phosphor compound boasts high conversion efficiency and temperature stability, and a high irradiation resistance with a small temperature increase, making it suitable for white-light applications.
17 February 2016
A multimodal optical imaging approach enables assessment of the long-term reliability of microelectrodes used to record brain activity, stimulate specific cortical regions, and control neural prostheses.
16 February 2016
A handheld fiber probe with adjustable offsets enables spatially offset Raman spectroscopy at different depths for noninvasive analysis of callus composition during fracture healing.
15 February 2016
Photonic integrated circuits can be used with terbium-doped fibers or cerium-doped yttrium iron garnet waveguides to achieve high sensitivity and small footprints.
13 February 2016
A new theoretical framework allows several thermodynamic parameters, such as efficiency and entropy current, to be defined.
12 February 2016

The singly quantized vortices in superfluids can provide an ‘atomic theory’ of turbulence (for which there is no general theory), enabling a ‘video camera’ operating at ∼100 microkelvin to image vortices.

11 February 2016
High-index microspheres embedded within movable slabs, or microfibers, are used in a novel approach for super-resolution imaging of nanoplasmonic arrays.
11 February 2016
LIGO detects gravitational waves

A hundred years after Einstein predicted them, gravitational waves from a cataclysmic event a billion years ago have been observed.

11 February 2016
A novel mode-coupling technique can be used to introduce an extra ‘synthetic’ dimension to an array.
10 February 2016
Free-electron lasers may offer a cost-effective, single-source alternative for powering an entire integrated circuit manufacturing program.
9 February 2016
Aggregation of nanoparticles can cause significant changes in the absorption and scattering coefficients of suspensions.
8 February 2016
A miniature wireless optical remote chemical sensing network improves the accuracy of mid-wave and long-wave IR chemical detection.
8 February 2016
DNA electronic devices can distinguish various forms of DNA damage and are now being used to follow anticancer drug activity.
6 February 2016
Fourth-generation optics involving the spatial modulation of the anisotropy axis in the plane of thin polymer films opens up unprecedented opportunities for imaging and optical communication.
5 February 2016
A firm control over parameters affecting the electrospinning fabrication method enables better production of nanofilaments and devices based on them.
4 February 2016
High-resolution spectroscopy reveals excitons with highly excited states and micrometer-scale spatial extents.
4 February 2016
Absolute interferometric length measurements can be used to characterize ultrastable structures at cryogenic temperatures.
3 February 2016
Specially designed aluminum gallium nitride devices can be used to control carrier recombination rates and emission line widths.
2 February 2016
Monolithic LED arrays facilitate spatial control of light emission and adjustment of the electrical properties of the source.
1 February 2016
Imaging luminescence polarization under excitation by a tightly focused laser reveals novel phenomena related to spin transport in semiconductors.
29 January 2016
Integration of planar nanophotonics and microfluidics offers a new route for high-throughput sorting of bacterial cells in real time.
28 January 2016
Coupled dipole-patch nano-antenna cells are used in a new approach to impose an arbitrary phase profile on reflected light.
28 January 2016
A near-IR laser spectroscopic technique enables continuous in situ measurements of methane emissions in rural northern India.
27 January 2016
Catalytic oxidation of boron nitride nanosheets creates pits and holes that have well-defined shapes and edges, enabling ‘holey graphene’ for applications in electronics and molecular transport.
26 January 2016
Radio frequency reflections can be used to capture a human figure through occlusions.
25 January 2016
Lunar Flashlight is an innovative, low-cost mission that will use near-IR lasers to map water ice at the lunar south pole.
25 January 2016
Long-range surface plasmon polariton waveguides are used in a novel sensor for the detection of kappa and lambda light chain immunoglobulin relative concentrations.
22 January 2016
Precise control of polarization in a 10.6μm, sub-10mJ, 15ns vectorial vortex beam using an achromatic axially symmetric waveplate may find applications in ultra-precise micromachining.
21 January 2016
Two simple room-temperature and solution-based chemical processes are used to realize a new class of silver nano-network-based devices.
20 January 2016
Visual stimuli and brain wave measurement techniques combined with a holographic display system enable human interaction with 3D content.
19 January 2016
Non-invasive imaging through scattering media is achieved with the use of patterned illumination and single-pixel photodetection.
18 January 2016
A compact system for 2D and 3D sensing has been built using semiconductor and microelectromechanical systems components.
15 January 2016
Physical optics modeling by smart rays enables numerically efficient treatment of polarization, vectorial effects, interference, coherence, and femtosecond pulses.
14 January 2016
An anamorphic lens with a numerical aperture of about 0.5 can be used to realize economically viable step and scan systems.
12 January 2016
Techniques such as electrochemical atomic layer epitaxial deposition can be used to grow high-quality pseudo-2D layers of photovoltaic materials.
11 January 2016
Ubiquitous capable devices, which are empowered by the Internet of Things, have the potential to transform science and diagnostics by enabling large networks of remote measurements.
8 January 2016
The photorefraction of IR light and astigmatism from a cylindrical lens are used to assess variations in the human eye as a function of perceived depth information.
8 January 2016
Focus shaping using vortex laser beams improves precision in corneal surgery by facilitating cleavage along the lamellae in the cornea, and enables cutting with reduced absorbed pulse energy.
7 January 2016
Delay-stabilized optical fibers are used to link existing small antennas and create a large virtual telescope.
6 January 2016
Thermally activated delayed fluorescence can be achieved by the formation of an exciplex via intermolecular charge transfer between a donor and an acceptor to give highly efficient organic light-emitting diodes.
6 January 2016
Water splitting by integrated photoelectrochemical-thermoelectric devices can produce storable and transportable hydrogen fuel from solar and waste heat energies.
5 January 2016
Photonic crystals can be used to produce materials that have higher values of pseudospin than graphene.
4 January 2016
A robust lens, with rapid focus response and high diopter range, is used in a prototype touchless fingerprint sensor.
31 December 2015
A new NASA satellite mission will improve hurricane forecasting by making frequent measurements of ocean surface winds.
30 December 2015

Advanced algorithms that leverage computer vision and signal processing concepts are used to estimate vital signs from small changes in skin color.

30 December 2015
Coating short optical fibers with a layer of nanoporous metal-organic-framework material significantly improves the near-IR absorption of various gases, achieving part-per-million sensitivity.
29 December 2015
Additive manufacturing by laser melting offers a new and cost-efficient way to produce optical freeform surfaces, with applications such as automotive lighting.
29 December 2015
Manipulation of surface potentials at grain boundaries in lead halide perovskite solar cells may enhance their photoconversion efficiency.
29 December 2015
A novel optical design for bifocal power-adjustable lenses ensures a wide field of view for every viewing distance.
28 December 2015
A continuous ring of singularities called exceptional points can be generated from a Dirac cone in a 3D photonic crystal slab, with potential applications in optical devices.
28 December 2015
Computational intelligence enables forward-looking explosive hazard detection at all stages in single- and multi-sensor signal processing.
24 December 2015
A one-step rapid holographic recording technique based on a nanosecond laser pulse enables optical structures to be printed on transparent substrates coated with light-absorbing materials.
23 December 2015
Cold and hot isostatic pressing enables the production of organic semiconductor layers with improved electrical characteristics.
22 December 2015

A technique that distinguishes single from multiple scattered waves achieves microscopic imaging with a near-diffraction-limit resolution of 1.5μm, at depths that would benefit medical applications.

22 December 2015

Microlasers can be embedded inside single mammalian cells, enabling the tagging of a large number of cells and very sensitive real-time sensing of the forces and refractive indices within cells.

21 December 2015
LiFi in the office (Velmenni)

With LiFi's arrival on the horizon, does this mean lights out for WiFi? Exploring the LED's future as a communication link.

17 December 2015
Mode coupling can be exploited to change local dispersion and excite dark pulses in normal-dispersion microresonators.
17 December 2015
Considering chip design challenges is critical in accurately quantifying the potential benefit of extreme UV.
16 December 2015
A novel double-pulse 2μm integrated path differential absorption lidar instrument has been developed for measuring carbon dioxide column content.
15 December 2015
Simulations of a new backscatter imaging approach are compared with experimental results.
14 December 2015
An integrated fluorescence spectroscopy approach can be used to examine the diffusion of molecular probes, protein folding processes, and several biochemical reactions.
11 December 2015
The first demonstration of a random access reconfigurable metamaterial has a flat lens solution and can offer ultimate freedom for wavefront control at sub-wavelength resolutions.
10 December 2015
Environmentally friendly nanoparticles may enable integration of luminescent solar concentrator technology in optically active photovoltaic windows with high conversion efficiency.
9 December 2015
Automatic detection and tracking of vehicles in high-resolution video data can support fast image analysis for large amounts of data.
8 December 2015
Zernike polynomials are used in bilaterally symmetric freeform designs to enable substantial increases in numerical apertures.
7 December 2015
A technique combining Raman and Fourier transform IR spectroscopies enables simultaneous topographical and chemical imaging at high resolution.
4 December 2015
Biomedical imaging for preclinical applications is rapidly advancing and benefiting from the introduction of powerful new computing hardware.
3 December 2015

Adapted refractive steppers are used to reduce the speckle contrast of a laser beam after determination of its coherence length and periodicity function.

3 December 2015
The wavefront errors of active space telescopes, such as the James Webb Space Telescope, can be reduced with the use of scheduling restrictions or predictive control algorithms that incorporate thermal models.
2 December 2015
A new round-robin differential-phase-shift protocol for quantum key distribution is designed to prevent, rather than detect, eavesdropping.
1 December 2015
Imaging techniques based on autofluorescence and reflectance offer objective diagnosis of middle-ear pathological conditions.
30 November 2015
A new imaging technique uses force detection of optical excitations to generate maps of molecules and materials with nanometer resolution.
27 November 2015
Femtosecond lasers enable the local modification of the composition of glass, allowing the generation of high-contrast refractive microstructures for advanced optical applications.
26 November 2015
A technique based on computational photography enables camera sensors to reset when there is excess light in the field of view, protecting the resultant image from the effects of overexposure.
24 November 2015
Deep-seated lithospheric folding can be revealed using a method that combines gravity inversion calculations and isostatic analyses.
23 November 2015
Nanoformulated compound derivatives naphthalocyanines enable dual-color photoacoustic demarking of lymph node networks.
20 November 2015
A novel technique for optimally determining a limited set of layout patterns called templates accounts for circuit needs and navigates sources of process variability with no power, performance, or area penalty.
19 November 2015
Significant improvements in renewable energy forecasting have been demonstrated via situation-dependent error correction and blending of models using machine learning.
18 November 2015
A novel method for fusing crystal- and silicon-photonics technologies exhibits a high quality factor, showing promise for the realization of all-optical signal processing on a chip.
17 November 2015
Supercontinuum sources for incoherent broadband cavity-enhanced absorption spectroscopy enable high-sensitivity measurements.
16 November 2015
Multifunctional fibers enable simultaneous recording, optical stimulation, and drug delivery into the nervous system.
16 November 2015
An interactive crowdsourced research program, involving students around the world, is enabling the discovery of new materials for solar-powered water splitting.
13 November 2015
Novel ultra-small devices can convert near-IR radiation to bright visible light with unprecedented conversion efficiency.
12 November 2015

The key advances for lighting technologies in the 21st century are driven primarily by energy efficiency, color quality, and cost-effectiveness. The Journal of Photonics for Energy celebrates the International Year of Light.

11 November 2015
Advancements in processing and design enable printed electronics for applications including ultra-low-cost sensors to monitor food quality.
11 November 2015
Spectral-spatial sharpening of images is achieved by numerically embedding line targets in obtained imagery, and by minimizing the differences between high-spatial-resolution and observed spectral signatures.
10 November 2015
Applying data analysis techniques to terahertz spectral imaging enables automated identification of three explosive chemical products comprising two materials.
9 November 2015
Ultrathin hybrid photovoltaic devices with customized colors and patterns pave the way toward energy-saving display systems and the integration of power generation into buildings.
6 November 2015
Studying the conditions under which a moving refractive index front acts as an analog event horizon and emits photons from the vacuum helps better understand the Hawking emission mechanism.
5 November 2015

Major breakthroughs in photonics are changing how solar energy will power our future, how light illuminates our lives, and how technology will connect us to each other in new ways. The Journal of Photonics for Energy celebrates the International Year of Light.

4 November 2015
A combination of optics coding and digital processing enhances the capabilities of traditional light microscopes, enabling acquisition of information such as phase, which cannot otherwise be captured.
4 November 2015
Tests on a polymer/dye composite series show that increasing electron transfer driving force does not always increase solar cell performance.
3 November 2015
Supported membranes typically used in bionanotechnological devices have a higher degree of order than free membranes and show lipid clustering, which could affect device functioning.
3 November 2015
A three-camera microscope without moving parts enables fast and accurate tracking of individual enzyme molecules, their regulators, and catalytic product molecules simultaneously in the nuclei of living cells.
2 November 2015
Full process flow of thin-film photovoltaic modules, with accurate patterning of interconnections, allows for large-area applications and highly efficient perovskite solar cells.
29 October 2015
A beamline to characterize electrons with very high energy resolution would help explore the link between electron behavior and material properties.
28 October 2015
A monolithic optofluidic chip fabricated by femtosecond laser extracts highly metastatic cells from a heterogeneous population on the basis of optical stretching measurements.
27 October 2015
Europium-doped strontium iodide is a recently discovered material that may present a good choice for future geochemical investigations of solar system bodies.
23 October 2015
Axicons, or conical lenses, can be used as mode converters to enable pulse energy scalability and to produce beams that are close to the diffraction limit.
23 October 2015
A nanoplasmonic array of gold nanodisks supports delocalized transport of nanoparticles and has several potential applications in nanotechnology, atomic physics, and biology.
22 October 2015
The Asian Dust and Aerosol Lidar Observation Network has 20 stations equipped with several polarization-sensitive lidar instruments.
21 October 2015
A mixture of semiconductor nanocrystals and organic molecules is used to absorb and upconvert low-energy photons at visible and near-IR wavelengths.
20 October 2015
Recent improvements in nanoplasmonics have application in solar cells, sensors, nanoscale circuits, and superlenses.
15 October 2015
Thermally formed and chemically tempered Gorilla Glass foils have the strength, surface figure, and roughness quality for application in x-ray optics.
14 October 2015
Several optical components, such as multi-wavelength lasers and sensitive focal plane arrays, need to be combined to achieve a successful preemptive directional IR countermeasures system.
13 October 2015
A technique to transfer micro- and nanostructured flat substrates onto seamless rollers enables manufacture of improved surfaces for optical displays and solar power applications.
12 October 2015
A novel photocatalytic reduction system works efficiently under visible light irradiation.
12 October 2015
Understanding the interplay between organic molecules and the inorganic crystal in a perovskite photovoltaic structure creates possibilities for novel, high-performance energy devices.
9 October 2015
Automatic analysis of x-ray images enables on-site screening for tuberculosis infection, addressing the shortage of trained radiologists in rural Kenya.
8 October 2015
The realization of topological insulators for photons could have a major impact on optical devices, making them more robust and more energy efficient.
7 October 2015
Photosensitive bacteriorhodopsin is used in a new artificial system with visual receptive fields that can respond selectively to contrasts in luminance, direction of movement, line orientation, and spatial frequency.
7 October 2015
Streetlights in Durham, NC  (Christopher Kyba, licensed under a Creative Commons Attribution 4.0 International License)

New streetlight installations have resulted in a dramatic increase in scattered light, but cities can avoid adding to it by asking the right questions.

5 October 2015
A 12m-wide, segmented-mirror space telescope would search for Earth-like planets around Sun-like stars to answer the questions: Are we alone? How did we come to be?
5 October 2015
Grade-school students in New York City can have a hands-on educational experience with a scanning electron microscope on board the BioBus.
2 October 2015
Integration of multi-wavelength-range imaging spectrometry data improves geologic mapping by combining complementary information from visible, near-IR, shortwave-IR, and longwave-IR spectral regions.
1 October 2015
Transfer of both the spin and orbital angular momentum properties of a single photon has been experimentally demonstrated for the first time.
1 October 2015
A new achromatic polarizer and anisotropic diffusion layer enable a low-power, full-color display with high reflectivity and a wide color gamut.
30 September 2015
A photoelectrochemical cell using all-vanadium redox species could offer efficient and large-scale solar energy storage, even under dark conditions.
29 September 2015
A new USB-powered lightweight device was developed to improve early detection of glaucoma and other eye diseases.
28 September 2015

A new protocol involves joint entangled measurements and can be applied to continuous variable systems for hacking-safe communication.

24 September 2015
Combined spatial frequency domain imaging enables improved monitoring of hypertrophic scar formation, making interventional procedures more effective.
24 September 2015
Thin nickel oxide films serve as conductive, catalytic, and antireflective coatings for photoelectrochemical systems in alkaline electrolytes for water oxidation in sunlight-driven water-splitting devices.
23 September 2015
Holographic control of light traveling through multimode optical fibers enables minimally invasive imaging deep inside sensitive living tissues.
23 September 2015
A spectrum-splitting film is used to combine photovoltaic and solar thermal technologies in a new approach for the continuous generation of affordable electricity.
21 September 2015
Silicon nanowires prepared by wet etching and decorated by metal nanoparticles enable interference-free laser desorption-ionization mass spectrometry of low-molecular-weight analytes.
18 September 2015
Mathematical modeling of wind instrument acoustics facilitates the manufacture of flutes with customized tunings.
18 September 2015
The novel and freely available ‘Patch’ software package can be used to deconvolve images that have spatially variable point spread functions.
16 September 2015
A novel spectroscopic imaging technique reveals local variations in the recombination and transport of charge carriers within polycrystalline materials.
16 September 2015
Nonlinear quantum mechanical interactions between light and matter could lead to all-optical switching and transistor action for optical-computing platforms.
15 September 2015
A novel advanced algorithm is based on the sparsity hypothesis for phase and amplitude modeling.
14 September 2015
A novel underetching approach on a dispersion-engineered silicon nitride waveguide has been developed and experimentally verified.
14 September 2015
Focused ultrasound combined with sensitizing agents used in photodynamic therapy increases the ability of anti-cancer drugs to inhibit tumor growth.
12 September 2015
Diluting organic molecules in a polymer matrix material suppresses non-radiative behavior, leading to biluminescence, wherein light is emitted efficiently from both singlet and triplet states.
11 September 2015
Precise radial velocity instruments that use adaptive optics will be essential for the coming era of observations of Earthlike worlds.
10 September 2015
Experimental demonstration of the nonlinear mirror effect in a medium with negative refractive index confirms a decade-old prediction, and expands the scope of nonlinear optics in artificially structured media.
9 September 2015
A new device operates at normal dispersion with hybrid self-similar evolution to generate femtosecond pulses at 2μm with record high energy levels.
8 September 2015
The use of blue-phase liquid crystals in bandpass filters based on photonic integrated circuits enables the birefringence to be modulated via optical tuning.
4 September 2015
A cosmic-ray observatory is being expanded to study a mysterious, apparent source of ultra-high-energy particles.
4 September 2015
Surface-sensitive spectroscopies and scanning probe microscopies provide molecular-level mechanistic information for catalyzed electrochemical and photoelectrochemical fuel synthesis reactions.
3 September 2015
The anisotropic nature of electrically tunable liquid crystal lenses is fully harnessed in a cost-effective and successful approach.
2 September 2015
Numerical simulations reveal the effects of pollutants on bistatic electromagnetic scattering signatures.
1 September 2015
A new beamline offers unprecedented imaging capabilities for x-ray microscopy.
31 August 2015
Femtosecond optical pump–probe spectroscopy with hybrid metal–ferromagnetic nanostructures enables ultrafast control of their properties via nonlinear interactions.
28 August 2015
Nanostructured devices with discrete pixels exhibit photonic functions, enabling the smallest polarization beam-splitter to date.
27 August 2015
Combining photovoltaics and concentrating solar power may enable the integration of low-cost thermal energy storage for the renewables-driven grid of the future.
26 August 2015
Upconverting nanoparticles are coupled with gold nanorods to achieve increased emission brightness, enhanced diagnostic strength, and improved determination of local temperature.
25 August 2015
Carrier wavefronts from phase-modulated holograms can be demodulated using a purely algorithmic measurement technique, reducing the cost and complexity of coherent-readout holographic data storage.
24 August 2015
A numerical simulation approach includes optical, thermal, and mechanical sub-models to investigate the mechanism for the pulse duration efficiency dependence.
21 August 2015
A holographic optical-tweezers-based approach allows the fabrication of bacterial microsystems, such as fluid mixers or micro- and nanotransport vehicles for functional particles.
20 August 2015
Aluminum gallium indium nitride materials present an emerging system for defense and security applications.
18 August 2015
Nanoelectronic circuits can be written directly onto oxide semiconductors by tuning the local conductivity with a high-pressure atomic-force-microscope tip.
18 August 2015
In a new approach, the magnitude and direction of current in an applied electric field are varied to create an internal magnetic field and manipulate spin.
17 August 2015
Group-III nitride semiconductor materials and a unique quantum design for active regions are used to realize compact lasers that operate in an unexplored frequency range.
14 August 2015
A nanostructured crystalline collector embedded in an amorphous absorber matrix offers a novel approach for hot carrier solar cells.
13 August 2015
Smart design of optofluidic labs-on-chips offers the sensitivity of laboratory-scale optical detection instruments with portability, fast response times, low sample consumption, and parallel processing and read-out.
12 August 2015
Pump-probe imaging can generate 3D images of artwork, pottery, and other objects using less power than a laser pointer.
12 August 2015
Recording an average spectrum from 30 consecutive exposures of the τBoo star-exoplanet system enables a detailed study of this distant world, and potential characterization of other star-planet pairs.
11 August 2015
Lithographically patterned arrays of interacting, magnetic nano-islands provide a new material-by-design approach to nano-ferroics.
10 August 2015
Plasmonic metamaterial geometry may enable fabrication of an aluminum-based metamaterial superconductor with a critical temperature that is three times that of pure aluminum.
10 August 2015
New technology can be used to produce single-frequency lasers with output power of more than 100mW and linewidths of less than 100kHz, at wavelengths of 780, 795, and 850nm.
7 August 2015

A new technique enables full-field, non-contact, and highly sensitive measurements.

6 August 2015
Solvent-free transfer printing by a pick-and place-technique patterns and multi-stacks quantum dots on various substrates, enabling high-definition full-color displays and flexible optoelectronics.
4 August 2015

A novel experimental approach is used to measure spectral correlations between photoexcitations and thus investigate the generation of photocarriers in excitonic solar cells.

4 August 2015
Due to its distinctive structure, a protein from a bioluminescent jellyfish produces very bright solid-state fluorescence and constitutes a good laser gain medium.
3 August 2015
MRI sparse sampling and constrained reconstruction techniques enable high-resolution images of the entire brain with no increase in scan time or apparent loss of diagnostic information.
3 August 2015
Raman spectroscopy can be used to measure small misalignment distances between top and bottom graphene layers.
31 July 2015
A novel approach can be used for industrial sorting and presents several advantages over conventional hyperspectral imaging techniques.
30 July 2015
Focused features are located and segmented using computational reconstructions.
29 July 2015
Eliminating a chemical byproduct from perovskite films by vacuum-assisted thermal annealing enables fabrication of highly stable and efficient solar cells.
28 July 2015
Production of 3D graphene scaffolds with micron-scale pores by lithography using UV lasers enables the design of carbon electrodes for advanced electrochemical applications.
25 July 2015
Direct femtosecond laser writing of dielectric crystals enables the fabrication of 3D waveguiding structures as passive or active photonic devices operating from near-UV to mid-IR bands.
24 July 2015
A self-pulsing approach is used to modulate radiation pressure and achieve robust phonon lasing.
20 July 2015
A new type of spectrally selective photovoltaic and thermal collector can simultaneously produce both electricity and thermal energy at 300°C.
15 July 2015
A novel deflectometry system has high dynamic range and fine spatial resolution metrology capabilities.
6 July 2015

Quantitative analysis of contrast-enhanced ultrasound enables fast, 97% accurate diagnosis and assessment of rheumatoid arthritis for personalized therapy.

6 July 2015

This paper from the SPIE Digital Library is made available free for a limited time.

14 February 2006