Optimization of triarylamine photorefractive polymers for high-speed all-optical novelty filters

Chi Phan; J. Kevin Cammack; Michiharu Yamamoto; Peng Wang; Kenji Matsumoto

doi:10.1117/12.611930

28 March 2005 Optimization of triarylamine photorefractive polymers for high-speed all-optical novelty filters

Chi Phan, J. Kevin Cammack, Michiharu Yamamoto, Peng Wang, Kenji Matsumoto

Proceedings Volume 5816, Optical Pattern Recognition XVI; (2005) https://doi.org/10.1117/12.611930
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

We have demonstrated an optical novelty filter based on the two-beam coupling effect in photorefractive polymers. The photorefractive polymer composition was optimized for response time and two-beam coupling gain by changing the ionization potential and polarizability of various components. In this study, a photorefractive polymer composition was simultaneously optimized for response time and gain, and employed as a key element in a two-beam coupling novelty filter with a high contrast ratio and a limiting frequency of 14Hz, considerably higher than any previously reported in a two-beam coupling photorefractive novelty filter.

Citation Download Citation

Chi Phan, J. Kevin Cammack, Michiharu Yamamoto, Peng Wang, and Kenji Matsumoto "Optimization of triarylamine photorefractive polymers for high-speed all-optical novelty filters", Proc. SPIE 5816, Optical Pattern Recognition XVI, (28 March 2005); https://doi.org/10.1117/12.611930

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