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期刊论文

Nonlinear optical and optical-limiting properties of Azobenzene liquid crystal polymer☆

梁忠诚Pei Wanga* Hai Minga Jiang-Ying Zhanga Zhong-Cheng LiangaYong-Hua Lua Qi-Jing Zhangb Jian-Ping Xiea Yu-Peng Tianc

Optics Communications 203(2002)159-162,-0001,():

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摘要/描述

The nonlinear absorption coefficient b of Azo (Azobenzene) liquid crystal polymer (LCP) was measured by using open aperture Z-scan technique with 10 ns, 532nm laser pulses.The value of b is 9.02cm/GW. The optical limiting (OL) response of Azo LCP in tetrahydrofuran (THF) was measured also by use of the Q-switched (10 ns) secondharmonic generation Nd:YAG pulse. We attribute the nonlinear absorption and OL property of Azo LCP to TPA effect at 532 nm.2002 Published by Elsevier Science B.V.

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