随相干光场平均光子数的增加粒子数反转的振荡频率增大；
With the increase of the average photon number of the coherent light field, the oscillation frequency of the atomic population inversion increases correspondingly.
在双调q激光器中，声光器件用于控制脉冲的重复频率，同时允许激光晶体储存能量以保证反转粒子数被完全吸收。
In this doubly Q-switched laser, the AO Q-switch is used to control the pulse repetition rate and allow the laser medium to store energy to ensure that the population inversion is fully saturated.
研究了频率随时间变化的压缩态光场与二能级原子的相互作用，主要讨论了光场频率随时间作正弦调制和脉冲调制两种典型情况下原子布居数反转随时间的演化特性。
The time evolution of atomic occupancy for the system of squeezed vacuum field interacting with two coupling atoms via intensity-dependent coupling in two-photon transition are investigated.
研究了频率随时间变化的压缩态光场与二能级原子的相互作用，主要讨论了光场频率随时间作正弦调制和脉冲调制两种典型情况下原子布居数反转随时间的演化特性。
The time evolution of atomic occupancy for the system of squeezed vacuum field interacting with two coupling atoms via intensity-dependent coupling in two-photon transition are investigated.
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