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理论上详细地研究了F P滤波器对超短光脉冲的时间延迟 (定义为输出脉冲峰与输入脉冲峰的时间差 )问题。结果表明 ,F P滤波器对于不同脉宽的光脉冲的时间延迟是不同的 ,这一时间延迟随F P滤波器的共振频率与输入光脉冲的中心频率的偏差而变化 ,且与输入脉冲的啁啾情况相关。
The time delay (defined as the time difference between the output pulse peak and the input pulse peak) of the F P filter is theoretically studied in detail. The results show that the time delay of the FP filter is different for the different pulse width of the optical pulse. The time delay varies with the deviation of the FP filter’s resonant frequency from the center frequency of the input optical pulse, and the chirp of the input pulse Related situation.