The Au clusters in liquid is a nonlinear optical medium.
液相金原子团簇是一种非线性光学介质。
Based on the conditions of the gap soliton in periodical nonlinear optical medium, two inequalities for relation of parameters are obtained.
以周期非线性光学介质中隙孤子存在的条件为依据，数学计算分析得到两组参量关系不等式。
The mechanism of Z - scan technique is introduced. It 's application to measuring nonlinear refractive index and nonlinear absorption coefficient for nonlinear optical medium is made.
介绍了Z -扫描技术的基本原理，以及Z -扫描技术在测量非线性光学介质的非线性折射率、非线性吸收系数等方面的应用。
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