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通过实验详细测量了水温、工作电流对二极管激光器发射波长的影响;采用光线追踪法模拟计算出在不同泵浦参数下半导体泵浦光在NdYAG棒内的分布情况,得到了圆周上泵浦模块的个数,泵浦光发散角等因素对泵浦光分布均匀性的影响.采用直接泵浦方式,分别设计了二种不同功率水平的半导体泵浦的NdYAG固体激光器聚光腔,得到了170和800 W的输出功率,并对激光器的输出特性进行详细测量,最大光-光转换效率达37%,电-光转换效率约为16%. 相似文献
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We report on the characterization of a diode-side-pumped Nd:YAG rod laser operating at high CW output power. A four-fold pump configuration is designed and the pump light is directly coupled into the Nd:YAG rod without the help of any cylindrical lenses. The distribution of pump light in the Nd:YAG rod has been calculated by using ray tracing program. The thermal lens effect of the Nd:YAG rod has been experimentally measured. A maximum output power of 800 W at 1064 nm in multimode operation is obtained for a pump power of 2400 W with 33% optical-optical efficiency. At the same time, the maximum beam parameter product of 25 mm·mrad is achieved. 相似文献
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