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Proceedings Paper

Optical recording of holograms in azo-polymer-stabilized nematic liquid crystals
Author(s): Dany Dumont; Tigran V. Galstian; Yue Zhao
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Paper Abstract

A random oriented azo-polymer stabilized nematic liquid crystal is synthesized and used to record anisotropic holograms. An azo-dye is chemically attached to a diacrylate monomer at a base of the polymer network that can be optically reoriented with a polarized laser beam with (lambda) equals 514.5 nm. Raman-Nath scalar and vectorial gratings are recorded in 5-micrometers thick electro-optic cell without alignment layer. The electro-optical switch of the diffraction is realized using a moderate dc electric field of 6 V/micrometers .

Paper Details

Date Published: 11 December 2001
PDF: 5 pages
Proc. SPIE 4463, Liquid Crystals V, (11 December 2001); doi: 10.1117/12.449951
Show Author Affiliations
Dany Dumont, COPL/Univ. Laval (Canada)
Tigran V. Galstian, COPL/Univ. Laval (Canada)
Yue Zhao, Univ. of Sherbrooke (Canada)

Published in SPIE Proceedings Vol. 4463:
Liquid Crystals V
Iam-Choon Khoo, Editor(s)

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