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本文分析了在一个开放的简单三能级系统中的无粒子数反转激光的瞬态性质 ,研究了这个系统从瞬态无粒子数反转激光到定态无粒子数反转激光的演化。从原子相干和布居数分布的时间演化 ,我们阐明了系统产生无粒子数反转激光增益的机制
In this paper, we analyze the transient behavior of non-particle inversion laser in an open simple three-level system and study the evolution of the system from transient non-particle inversion laser to steady state particle inversion laser. From the temporal evolution of atomic coherence and population distribution, we elucidate the mechanism by which the system generates particle-free inverted laser gain