分析了可能导致高温条件下粒子数反转的机制。
The possible mechanisms of population inversion under the average high temperature condition has been analysed.
我们可以用各种方法来实现这种必要的粒子数反转。
The necessary population inversion can be achieved in a variety of ways .
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.
化学激光器是以释能化学反应提供能源，并且以化学反应产生粒子数反转为基础的。
Chemical laser is characteristically energized by an exoergic chemical reaction which produces the necessary population inversion of lasing species.
相对论电子在某种粒子数反转布居的分子云中穿行时，可以产生具有反常强度比的微波发射谱线。
Microwave emission lines with anomalous intensity ratio would be produced when the relativistic electrons move through a, molecular cloud with a certain population inversion.
本文主要的探讨了无粒子数反转激光的物理机制，建议了一种封闭的四能级无反转激光模型，并证明它也能够呈现无粒子数反转光放大现象。
This thesis mainly discusses the physics mechanism of lasing without inversion and proposed a closed four-level atomic model for the lasing without inversion.
值得一提的是可得出原子间耦合作用强度对纠缠量的非线性效应，并且纠缠量展现出与原子反转粒子数一致的周期振荡现象。
It should be noted that the atomic coupling coefficient exhibits the nonlinear effect and the entanglement measure oscillates periodically in accordance with atomic population inversion.
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.
当上能级粒子数处于未反转分布态时，具有较大的发射截面与吸收截面比值的波长信道拥有相对较大的增益竞争优势。
When the upper state population is not reversed, the channel with greater ratio of emission and absorption cross-section has greater competitive advantage.
“发射”气体激光（也就是反转能产生光放大的那些状态的粒子数）的最普通方法是运用气体放电。
The most common method to "pump" a gas laser--that is, to invert the population in the states that give rise to light amplification--is to use a gas discharge .
只要控制接收器中超辐射的光电转换电平，就能控制打开Q开关时的反转粒子数，也就能稳定输出的巨脉冲激光。
So we can control the population which can trigger the Q-switch by controlling the superradiant convert electrical level in the superradiant detector and then the laser output can be stabilized.
只要控制接收器中超辐射的光电转换电平，就能控制打开Q开关时的反转粒子数，也就能稳定输出的巨脉冲激光。
So we can control the population which can trigger the Q-switch by controlling the superradiant convert electrical level in the superradiant detector and then the laser output can be stabilized.
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