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Proceedings Paper

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

Paper Details

Date Published: 24 October 2000
PDF: 8 pages
Proc. SPIE 4107, Liquid Crystals IV, (24 October 2000); doi: 10.1117/12.405316
Show Author Affiliations
Atsushi Shishido, The Pennsylvania State Univ. (Japan)
Min-Yi Shih, The Pennsylvania State Univ. (United States)
Iam-Choon Khoo, The Pennsylvania State Univ. (United States)

Published in SPIE Proceedings Vol. 4107:
Liquid Crystals IV
Iam-Choon Khoo, Editor(s)

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