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对两台独立钛宝石飞秒振荡器的高精度主动同步进行了研究.实验中共采用三套锁相环对它们输出的激光脉冲进行了主动同步控制,最终得到了时间抖动低于30fs的同步精度;由于通过计算机智能监控两台振荡器的相对腔长变动,使得高精度同步维持的时间高达40min.
The high-precision active synchronization of two independent Ti: Ge femtosecond oscillators was studied in this paper.In the experiment, a total of three PLLs were used to synchronously control the laser pulses they output, and the synchronization accuracy of the time jitter less than 30fs was finally obtained Due to the intelligent monitoring of the relative cavity lengths of the two oscillators by the computer, high-precision synchronization can be maintained for up to 40 minutes.