When the period of laser action was reduced to the order of millisecond by using a mechanical rotating switch within the cavity, this effect could still be observed.

采用腔内机械转盘开关，发现当激光作用时间逐渐变短至毫秒量级时，仍可观察到该现象。

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When the period of laser action was reduced to the order of millisecond by using a mechanical rotating switch within the cavity, this effect could still be observed.

采用腔内机械转盘开关，发现当激光作用时间逐渐变短至毫秒量级时，仍可观察到该现象。

youdao