This analytical expression is valid for arbitrary values of the pumping light pulsewidth and the upper laser levellifetime.
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。
2
In this paper, the measurements of atom energy levellifetime 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。
3
The rate equations for a continuous four level laser are solved in this letter, taking into account the finite lower levellifetime and the crystal field splitting of the laser levels.