大功率激光二极管侧面泵浦固体激光器谐振腔的优化设计

Resonator Design Optimization Of High Power Laser Diode Side-Pumped Solide Laser

运用激光腔的矩阵理论 ,推导出了含热厚透镜的平 -平腔的G参数及热稳条件 ,用图示法对定腔长的谐振腔进行优化设计 ,并用优化的参数进行了相关实验。当输入电功率为 4 5 0W时激光器的输出功率为 5 0W ,电 -光转换效率 11.1% ,光 -光效率达到 30 % ,功率稳定度优于± 2 %。

By using the matrix theory of the laser resonators, the G parameters of plane-plane cavity and the condition of themal thick len inside laser resonators are given. The optimistic design of laser resonator is made to obtain by using the graphic method Then the experiments are carried out with the designed resonators parameters.When input electric power is 450W, its output laser power is up to 50W, The electro-optic efficiency is 11.1% and the light to light conversion efficiency is up to 30%. The power stability is ±2 %。