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讨论了在放置与不放置焦斑形态控制器件 KPP的两种情况下 ,采用功率谱密度模拟分析有旁瓣焦斑的激光束波前分布的特点 ,并由此探讨高功率激光驱动器在无旁瓣的聚焦情形下 ,对入射到打靶透镜的激光束波前畸变量的控制要求。
The characteristics of the wavefront distribution of the laser beam with sidelobe focal spot were analyzed by power spectral density under the two situations of KPP with and without focal spot morphological control device. And then the high power laser driver was discussed. The control of the amount of distortion of the wavefront of the laser beam incident upon the target lens is required in the case of the focusing of the valve.