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采用高斯光束传输矩阵描述光参量谐振腔的行为,通过迭代计算模拟高斯光抽运高斯反射镜单谐振光参量振荡器的振荡过程,分析了谐振腔参数和抽运光口径对腔内输出模式的影响。报道了1 064μm脉冲抽运平 GRM腔单谐振非临界相位匹配KTP光参量振荡器的实验,其结果与理论分析相符。
The Gaussian beam transfer matrix is used to describe the behavior of the optical parametric resonator. The oscillation process of the Gaussian optical pumping Gaussian reflector single-resonant optical parametric oscillator is simulated by iterative calculation. The effect of cavity parameters and pump aperture on the output mode influences. The experiment of 1 064μm pulse pumping flat GRM cavity single resonant non-critical phase matching KTP optical parametric oscillator is reported. The results are consistent with the theoretical analysis.