端泵浦Yb:YAG薄盘激光器性能仿真

A. Khayat Jafari, S. Toroghi, A. Golpayegani
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引用次数: 0

摘要

在这里,我们已经使用温度依赖形式的玻尔兹曼占用因子,吸收和受激截面,以及Yb:YAG晶体的热导率,以更准确地考虑对典型薄型激光器重要的各种操作变量。利用蒙特卡罗光线追踪代码和ANSYS软件进行二维有限元分析,分别计算了晶体内部的吸收功率和温度分布。然后,根据一组耦合速率方程推导出的方程,建立了激光输出功率的模型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation of performance of end-pumped Yb:YAG thin disk lasers
Here, we have used the temperature-dependant form of the Boltzmann occupation factors, absorption and stimulated cross sections, and thermal conductivity of the Yb:YAG crystal for a more accurate consideration of various operating variables important for a typical thin-disk laser. A Monte Carlo ray tracing based code and 2D finite element analysis (FEA) with the ANSYS package have been used to calculate the absorption power and temperature distribution inside the crystal, respectively. Then, according to derived equations from a set of coupled rate equations, we have modeled the laser output power.
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