J4 ›› 2015, Vol. 32 ›› Issue (1): 90-95.

• 非线性光学 • 上一篇    下一篇

非线性光学晶体材料GaSe激光实验参数的模拟计算

程旭东1,吴海信1,倪友保1,王振友2,黄昌保1,肖瑞春1   

  1. 中国科学院安徽光学精密机械研究所, 安徽 合肥,230031
  • 收稿日期:2014-04-01 修回日期:2014-05-15 出版日期:2015-01-28 发布日期:2015-02-04
  • 通讯作者: 吴海信 (1967- ),研究员,博士,从事红外非线性光学晶体材料研究。 E-mail:hxwu@ircrystal.com
  • 基金资助:
    国家自然科学基金资助项目 (51202250),中科院方向性项目13J131211

Numerical Analysis of Infrared Nonlinear Optical Crystal Material GaSe on Laser Experiment

CHENG Xu-dong, WU Hai-xin, NI You-bao, Wang Zhen-you, HUANG Chang-bao, Xiao Rui-chun   

  1. Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031, China
  • Received:2014-04-01 Revised:2014-05-15 Published:2015-01-28 Online:2015-02-04

摘要: 对红外非线性光学晶体GaSe的非线性性质进行了研究。计算模拟了1.064μm、2.05μm、2.79μm泵浦情况下I、II类相位匹配情况下GaSe晶体的相位匹配角、有效非线性系数、走离角、允许角和泵浦波波长的关系。同时计算了晶体激光倍频波波长和相位匹配角、有效非线性系数、走离角、允许角的关系。对计算结果进行了分析比较。所得结果可对GaSe晶体用于特定波长激光器,设计新波段提供了理论依据。

关键词: 非线性光学, 相位匹配, GaSe, 走离角, 允许角

Abstract: Some laser experimental parameters in infrared nonlinear optical crystal GaSe were calculated, including the illustration of phase matching angle, the varying of effective nonlinear coefficient, allowing angle, walk-off angle and Sellmeier curve for type I and II phase-matching. All the results were calculated in the OPO and SHG. Also, the results were analysed so that they can provide useful theoretical references for optical design of infrared tunable and new wavelength laser devices.

Key words: nonlinear optics, phase matching, GaSe, allowing angle, walk-off angle

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