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Proceedings Paper

Real-time measurement for birefringence dispersion using double retarder
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Paper Abstract

A real-time measurement method for both birefringence dispersion and azimuthal angle is described. An optical set-up of this measurement consists of a white light source, two polarizers and two reterders without any rotation. A spectroscopic intensity is detected by a spectrometer. It is modulated with two different frequencies along wave number. Only the single spectroscopic intensity is sufficient to determine the retardation and the azimuthal angle with wavelength-dependence using two amplitude spectrum and phase by the fast Fourier transform method. A birefringence measurement of a Babinet-Soleil compensator as a sample is demonstrated experimentally.

Paper Details

Date Published: 18 August 2005
PDF: 6 pages
Proc. SPIE 5888, Polarization Science and Remote Sensing II, 588807 (18 August 2005); doi: 10.1117/12.618065
Show Author Affiliations
Toshitaka Wakayama, Tokyo Univ. of Agriculture and Technology (Japan)
Yukitoshi Otani, Tokyo Univ. of Agriculture and Technology (Japan)
College of Optical Sciences/Univ. of Arizona (United States)
Norihiro Umeda, Tokyo Univ. of Agriculture and Technology (Japan)

Published in SPIE Proceedings Vol. 5888:
Polarization Science and Remote Sensing II
Joseph A. Shaw; J. Scott Tyo, Editor(s)

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