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在研究总结现有超短激光脉冲测量方法的基础上 ,对皮秒激光脉冲的测量及飞秒激光脉冲自相关二次谐波(SHG)的测量方法进行了统一的校正。实验中 ,利用迈克尔逊干涉光路的相对光程差 ,产生已知时间间隔 ,作为时间基准对皮秒、飞秒激光脉冲的测量进行了标定
On the basis of summarizing the existing measurement methods of ultrashort laser pulses, the measurement of picosecond laser pulses and the measurement of femtosecond laser pulse self-correlation second harmonic (SHG) are unified. In the experiment, the relative optical path difference of Michelson interferometer is used to generate the known time interval, and the measurement of picosecond and femtosecond laser pulse is calibrated as a time reference