| 厄米-高斯光束通过含硬边光阑光学系统束宽传输近似解析方程 |
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| 引用本文： | 刘雅静,黄太星,季小玲.厄米-高斯光束通过含硬边光阑光学系统束宽传输近似解析方程[J].四川激光,2007,28(1):64-65. |
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| 作者姓名： | 刘雅静 黄太星 季小玲 |
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| 作者单位： | 中国民航飞行学院计算机学院,四川广汉,618307;四川师范大学物理系,四川,成都,610066 |
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| 摘 要： | 本文对厄米-高斯光束通过含光阑系统的聚焦特性作了详细研究.采用将硬边光阑窗口函数展开为有限个复高斯函数之和的方法,推导出了由环围功率法定义的束宽传输的近似解析方程,并用数值计算例研究了光学系统和光束参数对光束聚焦特性的影响.
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| 关 键 词： | 束宽传输近似解析方程 环围功率法 复高斯函数展开法 光阑 |
| 文章编号： | 0253-2743（2007）01-0064-02 |
| 收稿时间： | 2006-08-22 |
| 修稿时间： | 08 22 2006 12:00AM |
Approximate analytical beam width propagauon equation of Hermite-Gaussian beams through an optical system with an aperture |
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| LIU Ya-jing,HUANG Tai-xing,JI Xiao-ling.Approximate analytical beam width propagauon equation of Hermite-Gaussian beams through an optical system with an aperture[J].Laser Journal,2007,28(1):64-65. |
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| Authors: | LIU Ya-jing HUANG Tai-xing JI Xiao-ling |
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| Affiliation: | 1 .CoUege of Computer Science, Civil Aviation Flight University of China, Guanghan 618307 ,China; 2. Dpartment of Physics, Sichuan Normal University, Chengdu 610066, China |
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| Abstract: | The focusing property of Hermite - Gaussian beams passing through an optical system with an aperture is studied in detail. The approximate analytical propagation equation of beam width definited by Green - Hall method is derived by means of expansion of the hard - edged aperture function into a finite sum of complex Gaussian functions. The influence of the optical system and beam parameters on the focusing property of beams is also studied with numerical examples. |
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| Keywords: | approximate analytical beam width propagation equation Greene- Hall method complex Gaussian functions expansion method hart - edged aperture |
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