小型光泵NH_3分子亚毫米波激光的拉曼过程相互作用研究  

THE STUDY OF RAMAN PROCESSES INTERACTION FROMMINIATURE OPTICALLY PUMPED NH_3 SMMW LASER

作　　者：冉勇[1] 朱昌平[1] 秦家银[2] 

机构地区：[1]荆州师范学院物理系,434104 [2]中山大学超快速激光光谱国家重点实验室,广州510275

出　　处：《荆州师专学报》2000年第5期50-53,共4页

基　　金：高校重点实验室访问学者基金资助;国家自然科学基金资助项目! ( 698710 32 );湖北省教委重点科研基金资助项目

摘　　要：通过求解半经典的密度矩阵方程 ,计算了在CO2 - 1 0R(6)泵浦下 ,小型光泵NH3亚毫米波激光器中 ,NH3 分子的V2 :aR(0 ,0 )跃迁的频谱特性 .理论计算结果表明 ,当工作气压比某一特定值高或泵功率密度比临界值低时 ,将出现V2 :aR(0 ,0 )跃迁的拉曼频谱尖峰 。In this paper, the semiclassical density matrix equation was solved to calculate the spectral characteristics of V 2∶aR(0,0) transition in a miniature optically pumped NH 3 submillimeter wave laser (mini-NH 3-OPSMMWL).Which was pumped by CO 2-10R(6) line .The results of theoretical calculation showed that the spikes in Raman spectrum of V 2∶aR(0,0)would appear,when the operating NH 3 gas pressure was higher than a certain critical value or pumping power density was lower than a certain critical value.This was caused by Raman processes interaction of AC Stark splitting.

关 键 词：亚毫米波 光泵激光 交流-斯塔克分裂 拉曼过程相互作用 激光器 工作参数 优化 

分 类 号：TN24[电子电信—物理电子学] TN015