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TEA CO2激光器输出平顶模按厄米-高斯模的展开
引用本文:谭荣清,万重怡,吴谨.TEA CO2激光器输出平顶模按厄米-高斯模的展开[J].光子学报,2006,35(11):1632-1635.
作者姓名:谭荣清  万重怡  吴谨
作者单位:中国科学院电子学研究所,北京,100080
摘    要:TEA CO2激光器输出光束的能量密度分布一般为平顶型分布.为了给研究和分析TEA CO2激光器输出光束提供一种新的处理方法,采用FGB理论,对实验测量的一台TEA CO2激光器输出的实际平顶型光斑的能量密度分布按厄米-高斯函数进行了展开.根据展开结果,对TEA CO2激光器输出光束的空间分布特性进行了分析与讨论.初步证实了TEA CO2激光器输出光束的能量密度分布可以按厄米-高斯函数展开.

关 键 词:TEA  CO2  激光器  平顶模  厄米-高斯模  平顶高斯光束
收稿时间:2005-07-26
修稿时间:2005年7月26日

Expanding the Flat-top Mode of TEA CO2 Laser in Hermit-Gauss Modes
Tan Rongqing,Wan Chongyi,Wu Jin.Expanding the Flat-top Mode of TEA CO2 Laser in Hermit-Gauss Modes[J].Acta Photonica Sinica,2006,35(11):1632-1635.
Authors:Tan Rongqing  Wan Chongyi  Wu Jin
Institution:Institute of Electronics,Chinese Academy of Sciences,Beijing 100080
Abstract:Generally,the energy density distribution of a TEA CO_2 laser was flat-topped.In order to find a new method for studying and analyzing the output beams of TEA CO_2 lasers,according to the FGB theory,the energy density distribution of the measured flat-top beam output by a TEA CO_2 laser was expanded in Hermit-Gauss functions.And the space distribution characteristics of the output beam were analyzed and investigated.It was proven that the energy density distribution of a TEA CO_2 laser could be expanded in Hermit-Gauss functions.
Keywords:TEA CO_2 laser  Flat-top modes  Hermit-Gauss modes  Flattened Gauss beams
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