激光器中增益随场的变化规律  

The laws of gain variation with the field in laser

作　　者：王巧艳[1] 魏诺[1] 李隆[1,2] 

机构地区：[1]西安建筑科技大学理学院,陕西西安710055 [2]西安建筑科技大学应用物理所,陕西西安710055

出　　处：《西北大学学报（自然科学版）》2010年第1期66-68,共3页Journal of Northwest University（Natural Science Edition）

基　　金：陕西省工业攻关基金资助项目(2008K05-15);陕西省教育厅专项科研基金资助项目(07JK284)

摘　　要：目的研究激光器中增益随电场的变化规律。方法对多普勒加宽情况下的增益系数进行化简;利用增益系数推导激光系统的动力学方程。结果得出激光系统中增益随电场变化的动力学方程,给出增益随场的变化曲线。结论增益不但随频率变化,而且随电场变化;其随场变化曲线类似于平抛运动曲线。Aim To study the laws of laser gain varying with the electric field.Methods Gain coefficient in the case of Doppler broadening is simpled;Using gain coefficient to derive the dynamic equations of laser systems.Results A dynamic equations was obtained,in which gain coefficient varys with the electric field in laser system;the curves of the gain changing with the field were given.Conclusion Gain coefficient changes not only with the frequency but also with the electric field.The curve of gain coefficient changing with the field is similar to horizontal projectile motion curve.

关 键 词：增益系数 动力学方程 气体激光器 外电场 

分 类 号：O437[机械工程—光学工程]