| 厄米-高斯光束通过硬边光阑光学系统变换的近解析传输公式 |
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| 引用本文： | 涂海华,李忠秀,戴勇行. 厄米-高斯光束通过硬边光阑光学系统变换的近解析传输公式[J]. 江西师范大学学报(自然科学版), 2006, 30(5): 418-422 |
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| 作者姓名： | 涂海华 李忠秀 戴勇行 |
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| 作者单位： | 1. 江西农业大学,理学院物理系,江西,南昌,330045
2. 南昌大学,抚州医学分院,江西,抚州,344000 |
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| 基金项目： | 江西农业大学校科研和教改项目 |
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| 摘 要： | 将硬边光阑门数函展开成复高斯函数,利用高斯光阑的ABCD矩阵形式,应用于厄米-高斯(H-G)光束,推导出了H-G光束通过内含硬边光阑的近轴ABCD光学系统的场分布的近解析传输公式,并与Collins公式计算结果比较,说明所得的解析结果的应用和优点.
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| 关 键 词： | 复高斯函数 厄米-高斯(H-G)光束 硬边光阑 高斯光阑 近轴ABCD光学系统 |
| 文章编号： | 1000-5862（2006）05-0418-05 |
| 收稿时间： | 2006-09-10 |
| 修稿时间： | 2006-09-10 |
Close-Form Equation for the Transformation of Hermit-Gaussian Beams through a Optical System with Hard-Edged Apertures |
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| TU Hai-hua,LI Zhong-xiu,DAI Yong-xing. Close-Form Equation for the Transformation of Hermit-Gaussian Beams through a Optical System with Hard-Edged Apertures[J]. Journal of Jiangxi Normal University (Natural Sciences Edition), 2006, 30(5): 418-422 |
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| Authors: | TU Hai-hua LI Zhong-xiu DAI Yong-xing |
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| Affiliation: | 1. College of Science, Jiangxi Agriclutural University, Nanchang 330045, China; 2. Fuzhou medical branch of nanchang University, Fuzhou 344000, China |
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| Abstract: | By expanding the rectangular function into a finite sum of complex Gaussian functions,the propagation of Hermit-Gaussian beams through an apertured optical ABCD system is studied in the rectangular coordinates system,and approximate analytical propagation formulas of Hermit-Gaussian beams are derived and the signification of physics of expanded form is illuminated.As an application example,numerical calculations have been performed for the Hermit-Gaussian beams by an apertured lens.The calculation was made with two sets of data and their results were compared to those of the diffracted integral.The result shows that our method can improve the calculation efficiency and the data updates is better than reference data. |
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| Keywords: | complex Gaussian function Hermit-Gaussian beams hard-edge aperture Gaussian aperture proximal ABCD optical system |
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