Enhanced photoinduced nematic reorientation in mixture with azo-dye-substituted polymer

Alexander V. Parfenov; Agneshka Chrzanowska

doi:10.1117/12.379980

17 March 2000 Enhanced photoinduced nematic reorientation in mixture with azo-dye-substituted polymer

Alexander V. Parfenov, Agneshka Chrzanowska

Proceedings Volume 3955, Liquid Crystal Materials, Devices, and Flat Panel Displays; (2000) https://doi.org/10.1117/12.379980
Event: Electronic Imaging, 2000, San Jose, CA, United States

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.

Citation Download Citation

Alexander V. Parfenov and Agneshka Chrzanowska "Enhanced photoinduced nematic reorientation in mixture with azo-dye-substituted polymer", Proc. SPIE 3955, Liquid Crystal Materials, Devices, and Flat Panel Displays, (17 March 2000); https://doi.org/10.1117/12.379980

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