Multi-photon-absorption-induced birefringent grating in azobenzene-doped polymethyl methacrylate optical fibres

被引：0
作者：
Xu, XS [1 ]
Ming, H
Wang, P
Liang, ZC
Zhang, QJ
机构：
[1] Univ Sci & Technol China, Dept Phys, Hefei 230026, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Opt Phys Lab, Beijing 100080, Peoples R China
[3] Nanjing Normal Univ, Coll Elect & Elect Engn, Nanjing 210042, Peoples R China
[4] Univ Sci & Technol China, Dept Polymer Sci & Engn, Hefei 230026, Peoples R China
来源：
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2002年 / 4卷 / 04期
关键词：
multi-photon absorption; birefringent gratings; polymer fibre;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Birefringent gratings induced by absorbing multi-photons at 532 nm in azobenzene doped polymethyl methacrylate (azo-PMMA) fibres were investigated. The maximum photo-induced birefringence observed from the fibre is about 3.0 x 10(-5). The two-photon absorption coefficient beta of the azo-PMMA at 532 nm obtained by the Z-scan method is 10.2 cm GW(-1), and the birefringence response time of the azobenzene is 10 mus.
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页码：L5 / L7
页数：3
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