侧面泵浦激光器热透镜效应的有限元分析  

Finite element analysis of laser medium’s thermal-lens

作　　者：朱广志[1] 陈培锋[1] 邹雪芬[1] 朱长虹[1] 

机构地区：[1]华中科技大学激光技术与工程研究院,武汉430074

出　　处：《激光技术》2004年第2期208-210,217,共4页Laser Technology

摘　　要：针对侧面泵浦的固体激光器工作介质产生的热透镜效应进行了分析 ,建立热传导方程。采用有限元分析的方法对不同泵浦条件下激光棒内的温度场和应力变化进行分析。提出补偿热透镜效应的有效措施。The thermal-lens effects of side-pumped solid-state lasers are studied and heat exchange equation is established.The temperature and thermal stress of laser medium in different pumping condition are analyzed by finite element method.Some compensation on thermal-lens effects is discussed.Thermal focal distance in different compensation condition is compared through experiment.

关 键 词：热透镜效应 有限元分析 侧面泵浦 热焦距 

分 类 号：TN241[电子电信—物理电子学]