Being a core part of laser beam system, the output coupling mirror are often made of ZnSe, Ge, GaAs as base materials.

输出耦合镜作为激光光路系统的核心部件，通常由硒化锌、锗、砷化镓等基材制成。

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The equation that determines the function of optimum reflection Rk of the output coupling mirror M1 versus pump power, dye concentration, and loss is deduced.

推导了耦合输出镜最佳反射率和泵浦功率损耗，浓度等参量的关系。

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And we discuss the effect of the coupling mirror with different reflectivity and PPKTP crystal's thermal lensing effect led by linear absorption to the conversion efficiency.

同时试验对不同反射率的耦合腔镜以及倍频晶体ppktp的线性吸收对倍频效率的影响做出了深入讨论。

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