The analysis shows that it is important to obtain stable self—pulses by changing the photon lifetime of two orthogonal polarization modes in the erbium —doped fiber laser.
结果表明，掺铒光纤激光器中两正交偏振模光子寿命的调节对获得稳定的自脉冲有着十分重要的作用。
And the decay rate of these deviations depends on not only the carrier lifetime but also the photon lifetime, which is different from that of an ordinary diode laser experiencing turn-on process.
该衰减率不仅与载流子寿命有关，还和光子寿命有关，这一点与普通半导体激光器“接通”时的动态行为有所区别。
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。
How to get higher incident photon-to-current conversion efficiency and prolong the lifetime of the solar cells has been the focus in the past years.
如何获得更高的光电转换效率，延长整个电池的使用寿命一直是研究的焦点问题。
How to get higher incident photon-to-current conversion efficiency and prolong the lifetime of the solar cells has been the focus in the past years.
如何获得更高的光电转换效率，延长整个电池的使用寿命一直是研究的焦点问题。
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