Electro- and optically addressed modulators with polymer-dispersed liquid crystals and photo-conducting polymers

Vladimir Mylnikov

doi:10.1117/12.166022

21 January 1994 Electro- and optically addressed modulators with polymer-dispersed liquid crystals and photoconducting polymers

Vladimir Mylnikov

Author Affiliations +

Proceedings Volume 2051, International Conference on Optical Information Processing; (1994) https://doi.org/10.1117/12.166022
Event: Optical Information Processing: International Conference, 1993, St. Petersburg, Russian Federation

Abstract

Electro-optical response of the polymer dispersed liquid crystal films was investigated. The best results obtained were contrast of 400, switch on times > 0.4 ms, off time > 20 ms, threshold voltage 5 V. Combination of such films with thin photoconducting polymer layers permitted us to get optically addressed light valves. Contrast of 35, switch on and off times > 0.4 ms and > 80 ms accordingly for 10^-5 Jcm^-2 exposition and controlled voltage 100 V were obtained in such modulators for nanosecond pulse writing regime.

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Vladimir Mylnikov "Electro- and optically addressed modulators with polymer-dispersed liquid crystals and photoconducting polymers", Proc. SPIE 2051, International Conference on Optical Information Processing, (21 January 1994); https://doi.org/10.1117/12.166022

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