1. Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China 2. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China 3. University of Chinese Academy of Sciences, Fujian Institute of Research on the Structure of Matter, Beijing 100049, China
Abstract：In the present paper the authors report a research on testing the nonlinear optical performance of optical materials in visible and infrared band. Based on the second order nonlinear optic principle and the photoelectric signal detection technology, the authors have proposed a new testing scheme in which a infrared OPO laser and a method for separating the beams arising from frequency matching and the light produced by other optical effects were used. The OPO laser is adopted as light source to avoid the error of measurement caused by absorption because the double frequency signal of the material is in the transmittance band Our research work includes testing system composition, operational principle and experimental method. The experimental results of KTP, KDP, AGS tested by this method were presented. In the experiment several new infrared nonlinear materials were found. This method possesses the merits of good stability and reliability, high sensitivity, simple operation and good reproducibility, which can effectively make qualitative and semi-quantitative test for optical material’s nonlinear optical properties from visible to infrared. This work provides an important test method for the research on second order nonlinear optical materials in visible, infrared and ultraviolet bands.
李丙轩1,3, 魏 勇1, 黄呈辉1, 庄凤江1,3, 张 戈1*, 郭国聪2. 非线性光学材料倍频效应测试系统研究[J]. 光谱学与光谱分析, 2014, 34(01): 6-11.
LI Bing-xuan1,3, WEI Yong1, HUANG Cheng-hui1, ZHUANG Feng-jiang1,3, ZHANG Ge1*，GUO Guo-cong2. Research on Testing the Nonlinear Optical Performance of Nonlinear Optical Materials Based on the Effect of Second-Harmonic Generation. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2014, 34(01): 6-11.
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