Optipedia - free optics information from SPIE Publications

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Browse through the Optipedia Index to find information about key terms and concepts related to optics and photonics.

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AB CD EF GH IJ KL MN OP QR ST UV WX YZ

A	B
Abbe illumination aberrations absorption achromat active mirror laser afocal systems Airy disk ametropia astigmatism autocorrelator axial color	ball lens Beer's law binoculars blackbody radiation bolometer Brewster's law

C	D
CCT chalcogenide glass fiber amplifiers channel waveguide chief ray chromaticity diagram CIELAB CIELUV CO₂ lasers color color addition colorant color subtraction color temperature colorimetry coma cones contact lens Cooke triplet cornea correlated color temperature	defense salaries defocus detector detector footprint MTF dichroism diffraction diffraction limit diffraction MTF disk laser dispersion dispersive spectrometers distortion domes dye laser

E	F
emission emmetropia entrance pupil Erfle eyepiece EUVL excimer laser exit pupil extreme ultraviolet lithography eye eyepiece	Fabry-Perot interferometer Faraday rotation farsightedness Fermat's principle fiber amplifier fiber bundle field curvature field of view field lens filter-based spectrometers flare fluorescence fluoride glass fiber amplifiers focimeter Foucalt test Fourier transform Fourier-transform spectrometers frequency comb Fresnel reflectivity Fresnel Rhomb

G	H
gain switching gamut gas lasers Gaussian beams Golay detector gradient index (GRIN) lens Grassmann laws	harmonic mode locking Helium-Neon laser hyperopia

I	J
immersion lithography imprint lithography index of refraction infrared fibers interferograms integrating sphere intensity autocorrelator interference interferometric autocorrelator internal reflection ion-projection lithography	Jones calculus Jones vector

K	L
Kellner eyepiece keratometry Kirchhoff's Law knife-edge test Köhler illumination	Lagrange invariant laser laser interferometer laser pulse lateral color law of reflection law of refraction LED lenslet array lensmeter LER light light-emitting diode lightguide lightpipe line edge roughness linear polarizer lithography longitudinal magnification loupe luminous efficacy

M	N
Mach-Zehnder interferometer magnifier Malus's law marginal ray material dispersion Maxwell triangle Maxwell's equations mesopic mirror mode locking modulation transfer function (MTF) Moiré Mueller Matrices Munsell system myopia	nearsightedness Newton's rings nodal points noise numerical aperture

O	P
objective lens ophthalmoscope ophthalmoscopy optical autocorrelator optical fiber optical invariant optical lithography optical path length optical pulse optical pumping optical soliton	paraxial optics pellicle phase-shift mask phase transfer function phosphorescence photomultiplier tubes photon detector photopic response photoreceptors phototube photovoltaics planar waveguide Planck's law Plössl eyepiece Poincaré sphere polarization polarization ellipse polarizer polycrystalline optical fiber amplifiers population inversion primaries projected solid angle pulse pulse train pyroelectric detector

Q	R
Q switching quantum cascade lasers	radial shear interferometer Ramsden eyepiece Rayleigh resolution criterion reflection reflective beam expander refraction refractive beam expander refractive index resolution resolution enhancement technologies resolving power retarder retina retroreflector rods Ronchi test

S	T
scatterplate interferometer Schwarzschild objective scotopic response semiconductor laser semiconductor lithography sensor Shack cube interferometer signal-to-noise ratio Snell's law solid angle soliton soliton fiber laser Sommargren diffraction interferometer spatial frequency spectacle lens spectrograph spectrometer spectrometry spectroscope spectroscopy speed of light spherical aberration spontaneous emission stimulated emission Stokes polarization parameters	tapered fiber thermal detectors thermocouple thin-disk laser thin prism throughput total internal reflection triplet tungsten lamp Twyman-Green interferometer

U	V
... ...	VCSEL VECSEL vergence vibration MTF vignetting visual acuity

W	X
wave plate wavefront expansion waveguide waveguide modes wedge Wien's displacement law	x-ray lithography

Y	Z
... ...	Zernike polynomials zoom lens

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