从理论上分析了非线性折射率引起的脉冲自位相调制对超短脉冲的影响。
The article theoretically analyzes the impact of self phase modulation caused by nonlinear refractive index on ultrashort pulse.
通过连续激光调制对薄板试样进行局部周期加热，采用红外扫描测温技术记录动态温度分布。
When a thin plate is heated by a beam of modulated continuous laser, a temperature wave generates and propagates along the plate with amplitude decay and phase delay.
根据综合研究非线性效应的考虑，本文研究了自相位调制及交叉相位调制对四波混频相位匹配的影响，在一定的简化下得到了解析的结果。
By following the way of studying the nonlinear effect as a whole, the influence of the SPM and XPM to the phase matching condition of FWM is studied.
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