It is found that the loss in the crystal can make a mismatched incident Gaussian beam evolve to a matched one, and then become to a steady-state bright soliton.
同时我们还发现，在一定条件下，晶体损耗能使振幅失配的高斯光束演化成匹配的高斯光束，并最终演化成稳定的明孤波。
The nonlinear ADP crystal is oriented in such a way that phase matched SHG is produced only when both incident beams are present as ordinary rays.
非线性晶体adp的取向是使仅在两束光都存在时才有位相匹配的SHG。
Theoretical analyses are presented on the critically phase-matched second-harmonic generation (SHG) in a biaxial crystal with the focused fundamental Gaussian beams.
本文对在临界相位匹配条件下使用聚焦高斯光束在双轴晶体中产生二次谐波进行了理论分析。
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