Photoinduced anisotropy and high-efficiency optical storage in azobenzene side-chain polymer

Changshun Wang; Haosheng Fei; Yanqiang Yang; Zhenqian Wei; Jinhong Xia; Yong Qiu; Qingxin Yang; Guijuan Sun; Yongmei Chen; Encai Hao

doi:10.1117/12.318120

17 August 1998 Photoinduced anisotropy and high-efficiency optical storage in azobenzene side-chain polymer

Changshun Wang, Haosheng Fei, Yanqiang Yang, Zhenqian Wei, Jinhong Xia, Yong Qiu, Qingxin Yang, Guijuan Sun, Yongmei Chen, Encai Hao

Author Affiliations +

Proceedings Volume 3554, Photorefractive Materials: Phenomena and Related Applications II; (1998) https://doi.org/10.1117/12.318120
Event: Photonics China '98, 1998, Beijing, China

Abstract

An amorphous tripolymer containing azo-side groups has been investigated in photoinduced anisotropy and polarization holographic recording. Measurements reveal that the effect of photobleaching process should be taken into account in explaining the experimental result using the mechanism of angular hoe burning or the angular redistribution of molecules in the azobenzene side-chain polymer film and that the polymer possesses large magnitude of photoinduced birefringence. A reversible polarization hologram with high efficiency is recorded with a CW 532 nm laser in this thin film at relatively low light intensity.

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Changshun Wang, Haosheng Fei, Yanqiang Yang, Zhenqian Wei, Jinhong Xia, Yong Qiu, Qingxin Yang, Guijuan Sun, Yongmei Chen, and Encai Hao "Photoinduced anisotropy and high-efficiency optical storage in azobenzene side-chain polymer", Proc. SPIE 3554, Photorefractive Materials: Phenomena and Related Applications II, (17 August 1998); https://doi.org/10.1117/12.318120

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