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Proceedings Paper

Displacement measurement by spectro-polarization modulator
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Paper Abstract

We propose a novel spectro-polarization modulator which generates radial liner polarized light sorted along wavelength concentrically. It consists of a polarizer, a retarder with high order retardation, and a quarter wave plate. If we set the radial polarizer after the spectro-polarization modulator, we can observe spectroscopic color concentrically. A displacement measurement method is proposed using chromatic aberration method.

Paper Details

Date Published: 14 August 2006
PDF: 4 pages
Proc. SPIE 6292, Interferometry XIII: Techniques and Analysis, 629213 (14 August 2006); doi: 10.1117/12.682472
Show Author Affiliations
Yukitoshi Otani, Tokyo Univ. of Agriculture & Technology (Japan)
Toshitaka Wakayama, Tokyo Univ. of Agriculture & Technology (Japan)
Dmitry Orlov, Tokyo Univ. of Agriculture & Technology (Japan)
Norihiro Umeda, Tokyo Univ. of Agriculture & Technology (Japan)

Published in SPIE Proceedings Vol. 6292:
Interferometry XIII: Techniques and Analysis
Katherine Creath; Joanna Schmit, Editor(s)

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