Observation of the dynamic behavior of liquid crystals using T-FDP (Transmission type Four Detectors Polarimeter)

Shuichi Kawabata; Junichi Arizi; Takehisa Shibuya; Moriaki Wakaki

doi:10.1117/12.524008

19 November 2003 Observation of the dynamic behavior of liquid crystals using T-FDP (Transmission type four detectors polarimeter)

Shuichi Kawabata, Junichi Arizi, Takehisa Shibuya, Moriaki Wakaki

Author Affiliations +

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.524008
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

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.

Citation Download Citation

Shuichi Kawabata, Junichi Arizi, Takehisa Shibuya, and Moriaki Wakaki "Observation of the dynamic behavior of liquid crystals using T-FDP (Transmission type four detectors polarimeter)", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.524008

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KEYWORDS

Liquid crystals

Polarization

Sensors

Stanford Linear Collider

Polarimetry

Optical spheres

Calibration

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