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运用非线性光学理论 ,给出了腔内倍频的速率方程 ,对其进行数值计算 ,结果表明倍频晶体有一最佳厚度 ,此时输出的二次谐波功率最大 ,以优化的腔参数进行实验 ,获得了输出功率为 8W的蓝绿光 .
The nonlinear optical theory is used to give the rate equation of intracavity frequency doubling. The numerical calculation shows that the octave crystal has an optimal thickness, and the output second harmonic power is the largest, with optimized cavity parameters Experiment, get the output power of 8W blue-green light.