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利用傅里叶光学方法,研究了一个基于配对误差补偿方法的单程拼接光栅压缩池系统,得到远场时域关于系统拼接误差的积分表达式,揭示了配对误差补偿方案下系统的群延迟、脉冲前沿倾斜、剩余啁啾效应对叠加后远场时域的影响规律.数值模拟表明:随着带宽增加,配对补偿法将导致脉冲远场时域展宽;对一个利用配对误差补偿的单程拼接光栅压缩池系统进行计算,得到该方案下各种拼接误差的容限;同时考虑所有误差的情况下得到系统的允许带宽曲线.
By using the Fourier optics method, a one-way splicing grating compression cell system based on the pairing error compensation method is studied. The integral expression of the system splicing error in the far-field time domain is obtained. The group delay of the system under the pairing error compensation scheme is revealed. Frontal tilt and residual chirp effect on the far-field time-domain after superposition.The numerical simulation shows that as the bandwidth increases, the pairing compensation method will lead to the broadening of the pulse far-field in time domain. For a single-pass splicing grating with paired error compensation Pool system to calculate, get the tolerance of the various stitching errors under the program; taking into account all the errors to get the allowable bandwidth curve of the system.