谐波型晶体
The parameters such as nonlinear coefficient, allowing angle and walk-off angle of the second harmonic and fourth harmonic crystal were calculated. The influence on conversion efficiency of incident spot radius was simulated.
计算了二倍频和四倍频晶体相位匹配角、非线性系数、允许角、走离角等参数,模拟了注入光光斑半径对转换效率的影响。
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