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Proceedings Paper

Enhanced photoinduced nematic reorientation in mixture with azo-dye-substituted polymer
Author(s): Alexander V. Parfenov; Agneshka Chrzanowska
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Paper Abstract

The optically induced reorientation of nematic liquid crystal doped with azo-dye substituted polymer is investigated measuring photoinduced birefringence. These measurement reveal the value ((Delta) n approximately 0.1) of induced birefringence of liquid crystal with dye polymer which significantly exceeds the value of birefringence previously obtained in nematic mixture with the low molecular weight dye. More than one order of enhancement is connected with lower diffusivity of polymer. Applications for fiber all-optical switch and nonlinear filtering are suggested.

Paper Details

Date Published: 17 March 2000
PDF: 7 pages
Proc. SPIE 3955, Liquid Crystal Materials, Devices, and Flat Panel Displays, (17 March 2000); doi: 10.1117/12.379980
Show Author Affiliations
Alexander V. Parfenov, Diagnostic Instrumentation and Analysis Lab. (United States)
Agneshka Chrzanowska, Krakow Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 3955:
Liquid Crystal Materials, Devices, and Flat Panel Displays
Ranganathan Shashidhar; Bruce Gnade, Editor(s)

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