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在两种不同条件下分别讨论了平行光栅对压缩器输出激光脉冲的时间稳定性,采用数值计算的方法定量分析了光束指向性、折返镜姿态变化、光栅对平移误差等因素对压缩器输出脉冲脉宽的影响以及在不同光栅刻线密度下输出脉冲对这些因素的敏感程度,并给出了不同条件下不同影响因素的误差容许范围。
Under different conditions, the parallel grating is discussed for the time stability of the laser pulse output by the compressor. The numerical calculation method is used to quantitatively analyze the beam directivity, the attitude change of the folding mirror, the grating shift error and other factors on the compressor output pulse The influence of pulse width and the sensitivity of the output pulse to these factors under different grating line densities, and the allowable error range of different influencing factors under different conditions is given.