The nonlinear hot image effect of high-power broadband pulsed laser beam has been investigated theoretically and numerically.
通过理论分析与数值模拟方法，研究了高功率激光系统中非线性热像位置及光强随介质厚度的变化规律。
By comparing with other approaches, we selected the spatial filter method to restrain hot-image effect.
在各种抑制“热像”效应的方法中选取采用滤波器来抑制“热像”效应。
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