阶梯反射输出的虚共焦非稳腔的研究  

Investigation of a positive-branch unstable resonator with a step reflectivity mirror

作　　者：孙军强[1] 丘军林[1] 孙书华 

机构地区：[1]华中理工大学激光研究所

出　　处：《激光技术》1991年第6期326-330,共5页Laser Technology

摘　　要：本文提出了在高功率 CO_2激光器上应用阶梯反射输出的虚共焦非稳腔。对这种腔的激光模式进行了理论和实验的研究。获得激光输出功率为700W,相应的光电转换效率为7.9%,激光的远场发散角为2.1mrad。A positive-branch unstable resonator with a step reflecti- vity mirror used in high power CO_2 laser is presented.This resonator is investigated both theoretically and experimentally.The output power of this resonator is 700 watts.W.ith on efficiency of 7.9 percent.The diver- gent angle of far-field is 2.1 mrad.

关 键 词：CO2激光器 阶梯反射 非稳腔 虚共焦 

分 类 号：TN248.22[电子电信—物理电子学]