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Proceedings Paper

Holographic position measurements of an optically trapped nanoparticle
Author(s): Kazufumi Goto; Takumi Yanagawa; Ryosuke Abe; Yoshio Hayasaki
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Paper Abstract

Twilight-field method for obtaining interference fringes with high contrast in in-line digital holography regulates only an intensity of the reference light to be close to one of the object light that is ultra weak scattering light from a nanoparticle using a low-frequency attenuation filter. Three-dimensional position measurement of a 40 nm gold nanoparticle held in optical tweezers in water was performed with an inline, low-coherence digital holographic microscope with the twilight-field method.

Paper Details

Date Published: 22 June 2015
PDF: 6 pages
Proc. SPIE 9525, Optical Measurement Systems for Industrial Inspection IX, 95250K (22 June 2015); doi: 10.1117/12.2184553
Show Author Affiliations
Kazufumi Goto, Utsunomiya Univ. (Japan)
Takumi Yanagawa, Utsunomiya Univ. (Japan)
Ryosuke Abe, Utsunomiya Univ. (Japan)
Yoshio Hayasaki, Utsunomiya Univ. (Japan)


Published in SPIE Proceedings Vol. 9525:
Optical Measurement Systems for Industrial Inspection IX
Peter Lehmann; Wolfgang Osten; Armando Albertazzi Gonçalves Jr., Editor(s)

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