Displacement measurement by spectro-polarization modulator

Yukitoshi Otani; Toshitaka Wakayama; Dmitry Orlov; Norihiro Umeda

doi:10.1117/12.682472

14 August 2006 Displacement measurement by spectro-polarization modulator

Yukitoshi Otani, Toshitaka Wakayama, Dmitry Orlov, Norihiro Umeda

Author Affiliations +

Proceedings Volume 6292, Interferometry XIII: Techniques and Analysis; 629213 (2006) https://doi.org/10.1117/12.682472
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

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.

Citation Download Citation

Yukitoshi Otani, Toshitaka Wakayama, Dmitry Orlov, and Norihiro Umeda "Displacement measurement by spectro-polarization modulator", Proc. SPIE 6292, Interferometry XIII: Techniques and Analysis, 629213 (14 August 2006); https://doi.org/10.1117/12.682472

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