光泵铯蒸气激光的动力学模型
A kinetic model for optically pumped cesium vapor laser
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摘要: 建立了一个物理模型描述了光泵铯蒸气激光的动力学过程和激光机理.结合实验参量,经数值求解该模型,定量分析了抽运光参量、缓冲气压和输出镜反射率等对激光输出功率和光光效率产生的影响,得到了与实验基本一致的模拟结果.表明该模型较好地反映了光泵銫蒸气激光的动力学机理和发射过程,为该类激光的优化设计提供了借鉴和参考.Abstract: A physical model is established to describe the kinetics and lasing mechanism of optically pumped cesium vapor laser.According to the experimental parameters,we analyze the influence of parameters of the pump light,the buffer gas pressure and the output coupler reflectivity on the output power and the optical-optical efficiency with the help of numerical method using this model.The simulation results are found to be in good agreement with that of experiments.It shows that this model reveals the kinetics and lasing mechanism of optically pumped cesium vapor laser correctly and is a theoretical guidance for the optimization of optically pumped alkali vapor laser.
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