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Proceedings Paper

Observation of the dynamic behavior of liquid crystals using T-FDP (Transmission type four detectors polarimeter)
Author(s): Shuichi Kawabata; Junichi Arizi; Takehisa Shibuya; Moriaki Wakaki
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Paper Abstract

We have constructed the four detectors polarimeter of transmission type (T-FDP) whose principle was originally invented by Azzam et. al. Some of the distinct features of our instrument are the liner optical axis and high speed data acquisition of msec order. It can determine the polarization state of the light that passed through the anisotropic materials such as liquid crystals in a very short time. We observed the dynamic change of the polarization state of the transmitted light through the liquid crystals (smectic and super twisted nematic) that are driven by alternating voltage. The behaviors of the both liquid crystals showed hysteresis. We also showed the trajectory of the polarization state observed through the super twisted nematic liquid crystal on the Poincare sphere.

Paper Details

Date Published: 19 November 2003
PDF: 2 pages
Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); doi: 10.1117/12.524008
Show Author Affiliations
Shuichi Kawabata, Tokyo Institute of Polytechnics (Japan)
Junichi Arizi, Tokai Univ. (Japan)
Takehisa Shibuya, Tokai Univ. (Japan)
Moriaki Wakaki, Tokai Univ. (Japan)

Published in SPIE Proceedings Vol. 4829:
19th Congress of the International Commission for Optics: Optics for the Quality of Life
Giancarlo C. Righini; Anna Consortini, Editor(s)

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