All-optical polarization holography by means of nematic liquid crystal doped with azobenzene liquid crystal

Atsushi Shishido; Min-Yi Shih; Iam-Choon Khoo

doi:10.1117/12.405316

24 October 2000 All-optical polarization holography by means of nematic liquid crystal doped with azobenzene liquid crystal

Atsushi Shishido, Min-Yi Shih, Iam-Choon Khoo

Author Affiliations +

Proceedings Volume 4107, Liquid Crystals IV; (2000) https://doi.org/10.1117/12.405316
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

Abstract

All-optical holography of azobenzene-liquid-crystal (ALC) doped nematic liquid crystals (NLC) is investigated by means of polarization and intensity grating methods. The holographic grating is formed upon a total optical power as low as 200 (mu) W/cm² without any external biases, and can be switched within hundreds of milliseconds. The polarization dependence of the probe beam on the diffraction intensity reveals that the grating formation is attributed to reorientation and order-parameter change of the NLC molecules induced by the photoisomerization of the ALC molecules.

Citation Download Citation

Atsushi Shishido, Min-Yi Shih, and Iam-Choon Khoo "All-optical polarization holography by means of nematic liquid crystal doped with azobenzene liquid crystal", Proc. SPIE 4107, Liquid Crystals IV, (24 October 2000); https://doi.org/10.1117/12.405316

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