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中文摘要：
用Z-扫描的方法研究了新合成的一种二芳基乙烯化合物（C27H18F6S2）的光学非线性性质．测量的二芳基乙烯化合物在533nm和633nm处的非线性折射系数分别为n2=-7.69×10^-6cm^2／w和n2=3．26×10^-6cm^2／w，非线性吸收系数分别为，β=-6．96×10^-4 m／w和β=1．06×10^-3 m／w．研究了在大光强下折射率的横向空间分布的变化．该样品对533nm的连续光能够起到优良的光限制器的作用，其光限幅的动态范围可达287．
英文摘要：
Z-scan technique is used to study the non-linear optical properties of a new kind of diarylethene compound C27H18F6S2. The measured non-linear refractive indexes at 533 nm and 633 nm are n2=-7.69×10^-6cm^2/w and n2=3.26×10^-6cm^2/w, non-linear absorption are β=-6.96×10^-4 m/w and β=1.06×10^-3 m/w. and the transverse spatial distribution of the change in the refractive index under the larger incident intensity was studied. And the sample can be worked as an optical limiting device for 533 nm CW laser, and its dynamic range is 287.
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