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Proceedings Paper

Gratings in doped photorefractive composite containing 1-n-butoxyl-2,5-dimethyl-4-(4'-nitrophenylazo)benzene
Author(s): Feng Wang; Zhijian Chen; Qihuang Gong; Yiwang Chen; Huiying Chen
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Paper Abstract

Theoretical and experimental investigations of the intensity- and field-dependent photorefractive response in polymeric composites were presented. Measurements of the decay time constant and the corresponding grating-amplitude were demonstrated in photorefractive composite consists of 1-n-butoxyl-2,5-dimethyl-4-(4'-nitrophenylazo)benzene: poly(N-vinylcarbazole):2,4,7-trinitro-9-fluorenone with a weight ratio 44:55:1. Analysis suggested that two gratings exist simultaneously, one was caused by the photorefractive effect, and the other was caused by the photoisomerization process.

Paper Details

Date Published: 22 May 1998
PDF: 4 pages
Proc. SPIE 3490, Optics in Computing '98, (22 May 1998); doi: 10.1117/12.308886
Show Author Affiliations
Feng Wang, Peking Univ. (China)
Zhijian Chen, Peking Univ. (China)
Qihuang Gong, Peking Univ. (China)
Yiwang Chen, Peking Univ. (China)
Huiying Chen, Peking Univ. (China)


Published in SPIE Proceedings Vol. 3490:
Optics in Computing '98
Pierre H. Chavel; David A. B. Miller; Hugo Thienpont, Editor(s)

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