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A modified model for the LD pumped 2 μm Tm:YAG laser: Thermal behavior and laser performance

机译:LD泵浦2μmTm:YAG激光器的改进模型:热性能和激光器性能

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摘要

A modified three-dimensional (3-D) plane-wave model is developed to analyze the laser performance and temperature distribution in an end-pumped Tm:YAG slab laser. A numerical iterative method is used to calculate the stable distributions of laser intensity and temperature. This three-dimensional model provides a more practical method than traditional 2-D model to analyze laser systems with non-uniform temperature distribution. Experiments using Tm:YAG ceramic slabs are carried out to examine the influence of coolant fluid temperature on laser output. The experimentally acquired data are found to be in reasonable agreement with the theoretical predictions.
机译:建立了改进的三维(3-D)平面波模型,以分析端抽Tm:YAG平板激光器中的激光器性能和温度分布。数值迭代方法用于计算激光强度和温度的稳定分布。与传统的二维模型相比,此三维模型提供了一种更实用的方法来分析温度分布不均匀的激光系统。使用Tm:YAG陶瓷板进行实验,以检查冷却液温度对激光输出的影响。发现实验获得的数据与理论预测合理地一致。

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