Method for measurements of second-order nonlinear optical coefficient based on Z-scan

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• 作者：Shu-Qi Chen ; Wei-Ping Zang ; Zhi-Bo Liu ; Wen-Yuan Zhou ; Yong-Fa Kong ; Jian-Guo Tian
• 关键词：Second-order nonlinear ; Z-scan
• 刊名：Optics Communications
• 出版年：2007
• 出版时间：1 June 2007
• 年：2007
• 卷：274
• 期：1
• 页码：213-217
• 全文大小：342 K

文摘

The method for measuring second-order nonlinear optical coefficients based on well-known Z-scan is presented. The influence of linear absorption coefficients on normalized transmittance is discussed. Using this method, we obtained the second-order nonlinear coefficient d₃₁(5 % MgO:LiNbO₃) = 4.5 × 10⁻¹² m/v at 1064 nm, which agrees well with theoretical calculations and previous well-known values.