The results show that group-velocity mismatch broadens the width of third-harmonic pulse.
结果表明：群速度延迟使三倍频光脉冲展宽；
The group-velocity mismatch can considerably change the gain spectrum of modulation instability in terms of its shape, peak value, and position.
而群速度失配可极大地改变调制不稳定性增益谱的形状、峰值和位置。
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。
Taking into account of the distribution of the field and group velocity mismatch we also give the optimized size of the new detector.
连系起来。根据辐射场在晶体中分布与超快脉冲群速度失配，还给出了探测器制作的尺寸要求。
The properties of nonlinear crystal BBO is presented. The walk-off Angle and the spatial walk-off effect, the group velocity mismatch and the temporal walk-off effect are discussed.
对BBO晶体的材料特性，有效非线性系数，以及BBO晶体的走离角与空间走离效应，群速度失配与时间走离效应进行了讨论。
Through theoretical analysis and numerical simulations, the walk-off effect between sum-frequency pulse and pump pulse caused by Group Velocity Mismatch (GVM) was discussed.
通过理论分析和数值模拟研究了在双脉冲泵浦情况下的级联和频与差频的二阶非线性效应，探讨了走离效应对波长转换的影响。
Through theoretical analysis and numerical simulations, the walk-off effect between sum-frequency pulse and pump pulse caused by Group Velocity Mismatch (GVM) was discussed.
通过理论分析和数值模拟研究了在双脉冲泵浦情况下的级联和频与差频的二阶非线性效应，探讨了走离效应对波长转换的影响。
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