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Proceedings Paper

Optimization of triarylamine photorefractive polymers for high-speed all-optical novelty filters
Author(s): Chi Phan; J. Kevin Cammack; Michiharu Yamamoto; Peng Wang; Kenji Matsumoto
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Paper 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.

Paper Details

Date Published: 28 March 2005
PDF: 8 pages
Proc. SPIE 5816, Optical Pattern Recognition XVI, (28 March 2005); doi: 10.1117/12.611930
Show Author Affiliations
Chi Phan, Nitto Denko Technical (United States)
J. Kevin Cammack, Nitto Denko Technical (United States)
Michiharu Yamamoto, Nitto Denko Technical (United States)
Peng Wang, Nitto Denko Technical (United States)
Kenji Matsumoto, Nitto Denko Technical (United States)


Published in SPIE Proceedings Vol. 5816:
Optical Pattern Recognition XVI
David P. Casasent; Tien-Hsin Chao, Editor(s)

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