The propagation of intense laser pulse in transparent matter causes strong nonlinear effects, such as four-wave mixing, self-focusing, self-phase modulation (SPM), third-order harmonic generation(THG) etc.
高峰值功率的激光脉冲在透明介质中传输时就会产生很强的光学非线性效应,例如四波混频、自聚焦、自相位调制、三次谐波产生等。
参考来源 - 氮气中非共线聚焦双光束三次谐波增强的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The method of harmonic balance is applied to study the non-linear dynamic response of the third-order nonlinear partial differentiation system.
应用谐波平衡法对系统三阶非线性微分方程组解析分析，与数值解比较验证了解析解的正确性和有效性。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
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