光泵远红外激光的缓冲气体的选择因素  

Selecting aspects of buffer gas in optically pumped far-infrared laser

作　　者：张迅[1] 张萍[1] 肖冬梅[1] 陈伟斌[1] 罗锡璋[1] 

机构地区：[1]中山大学电子与通信工程系,广州510275

出　　处：《激光技术》2004年第2期214-217,共4页Laser Technology

基　　金：广东省自然科学基金资助项目 (0 2 175 7)

摘　　要：在半经典密度矩阵理论和SSH理论的基础上 ,理论研究了光泵远红外激光的缓冲气体作用 ,分析了势阱深度和碰撞半径两个参数对光泵远红外激光系统中缓冲气体作用的影响 ,从而得到选择缓冲气体的规律。研究成果对寻找小型光泵远红外气体激光器的高效缓冲气体 。Based on semi-classical density matrix theory and SSH method, buffer gas effect of optically pumped far-infrared laser was theoretically studied and the effect of depth of potential well and radius of collision on buffer gas was analyzed.The result would do favor to find high-efficient buffer gas of optically pumped far-infrared laser and also had some instruction to its application.

关 键 词：光泵远红外激光 缓冲气体 势阱深度 碰撞半径 

分 类 号：O434.3[机械工程—光学工程]