Novel photorefractive liquid crystal polymer composites

Jingwen Zhang; Kenneth D. Singer

doi:10.1117/12.328154

23 October 1998 Novel photorefractive liquid crystal polymer composites

Jingwen Zhang, Kenneth D. Singer

Author Affiliations +

Proceedings Volume 3471, Xerographic Photoreceptors and Organic Photorefractive Materials IV; (1998) https://doi.org/10.1117/12.328154
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

We have studied the photorefractive properties of a composite consisting of the polymer PVK doped with 4,4'- pentylcyanobiphenyl and C₆₀. The material is homogeneous, stable, and does not require a plasticizer agent. Net gain coefficients over 100 cm^-1 are observed. Measurements of orientational and electro-optic responses indicate that the orientational response is large, but markedly inhibited. We also report dramatic gain enhancement in two-beam coupling and novel angle and electric field dependencies in this composite.

Citation Download Citation

Jingwen Zhang and Kenneth D. Singer "Novel photorefractive liquid crystal polymer composites", Proc. SPIE 3471, Xerographic Photoreceptors and Organic Photorefractive Materials IV, (23 October 1998); https://doi.org/10.1117/12.328154

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