双拱形LDA侧面泵浦Nd:YAG光场均匀性研究  

Study for pumping uniformity in double-arched LDA side-pumped Nd:YAG laser

作　　者：于永吉[1] 王超[1] 陈薪羽[1] 金光勇[1] 郭家喜[1] 郝大伟[1] 

机构地区：[1]长春理工大学理学院激光技术研究所,吉林长春130022

出　　处：《激光与红外》2009年第8期847-851,共5页Laser & Infrared

基　　金：吉林省教育厅基金(吉教科合字2007-36)资助

摘　　要：采用一种双拱形激光二极管阵列对双棒串接的Nd∶YAG进行同心泵浦,将双拱形激光二极管面阵发出的光作高斯光束处理,通过计算机模拟,研究了双拱形LDA侧面泵浦条件下Nd∶YAG的泵浦光场均匀性,分析了泵浦结构各参量对泵浦光场均匀性的影响。证实了只要选取适当的泵浦参数,采用这种泵浦结构可以提高激光输出能量和光束质量。实验测试了该泵浦结构下Nd∶YAG激光器的输出能量和光束质量,实验结果与理论分析结果基本相符,验证了所建模型的正确性。The pumping uniformity of double-arched laser diode arrays side-pumped Nd： YAG laser was reported. The optical rays from double-arched laser diode planar arrays were regarded as gauss beam approximately. With computer modeling and experimental test, the pumping uniformity characteristics in double-arched laser diode arrays sidepumped Nd：YAG were studied. It was proved that laser output energy and laser beam quality were improved as long as the proper pumping parameters was chosen in the side-pumping method. The output energy and laser beam quality were tested by using the side-pumped structure in Nd：YAG laser. The experiment results were analyzed and discussed. The comparison results illustrate that the theoretical models are correct.

关 键 词：双拱形LDA 侧面泵浦 光场均匀性 模拟计算 

分 类 号：TN248.1[电子电信—物理电子学]