This analytical expression is valid for arbitrary values of the pumping light pulsewidth and the upper laser level lifetime.
该表达式适用于光泵脉冲宽度与激活介质上能级寿命比值为任意值的情况。
In this paper, the measurements of atom energy level lifetime with the laser two photon induced fluorescence have been stated.
本文论述了激光双光子感应荧光法对原子能级寿命的测量。
The rate equations for a continuous four level laser are solved in this letter, taking into account the finite lower level lifetime and the crystal field splitting of the laser levels.
在考虑了有限的下能级寿命和激光能级与晶格场的相互作用的基础上，对四能级激光的速率方程组进行了求解。
The rate equations for a continuous four level laser are solved in this letter, taking into account the finite lower level lifetime and the crystal field splitting of the laser levels.
在考虑了有限的下能级寿命和激光能级与晶格场的相互作用的基础上，对四能级激光的速率方程组进行了求解。
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