26 October 2004 Optimization of triarylamine photorefractive polymers for high-speed all-optical novelty filters
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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.
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Chi Phan, Chi Phan, J. Kevin Cammack, J. Kevin Cammack, Michiharu Yamamoto, Michiharu Yamamoto, Peng Wang, Peng Wang, Kenji Matsumoto, Kenji Matsumoto, } "Optimization of triarylamine photorefractive polymers for high-speed all-optical novelty filters", Proc. SPIE 5521, Organic Holographic Materials and Applications II, (26 October 2004); doi: 10.1117/12.563939; https://doi.org/10.1117/12.563939
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