| 辐射阵列厄米高斯光束的聚焦特性 |
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| 引用本文： | 付尧春,;张雪华.辐射阵列厄米高斯光束的聚焦特性[J].西华大学学报(自然科学版),2014,33(5):30-32. |
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| 作者姓名： | 付尧春 ;张雪华 |
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| 作者单位： | [1]西华大学物理与化学学院,四川成都610039; [2]中国民航飞行学院,四川广汉618300 |
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| 摘 要： | 利用Collins公式对辐射阵列厄米高斯光束(RHGB)的聚焦特性进行详细研究，推导出RHGB通过会聚系统的传输解析公式。数值计算结果表明在光束并合区域，激光参数(R0, m, n)对其强度分布有较大影响，随着传输距离的增加，RHGB的空间重叠减小，并合光强也随之降低。计算结果可为进一步研究RHGB提供参考。
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| 关 键 词： | RHGB 聚焦 传输 光强分布 |
Focusing Property of Radial Array Hermite-Gaussian Beam |
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| FU Yao-chun;ZHANG Xue-hua.Focusing Property of Radial Array Hermite-Gaussian Beam[J].Journal of Xihua University:Natural Science Edition,2014,33(5):30-32. |
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| Authors: | FU Yao-chun;ZHANG Xue-hua |
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| Affiliation: | FU Yao-chun, ZHANG Xue-hua ( 1. School of Physics and Chemistry, Xihua University, Chengdu 610039 China ; 2. Civil Aviation Flight University of China, Guanghan 618300 China) |
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| Abstract: | Focusing property of radial array Hermite -Gaussian beam （ RHGB） is studied in detail by using the Collins formula in this paper .The analytical formula for RHGB through the convergent system is derived .The numerical examples indicate that laser pa-rameters （ R0 ,m,n） have the large influence on the intensity distributions of RHGB , and the space overlap will diminish and the light intensity will drop with the increase of propagation distance .The calculated results can provide references for further study of RHGB . |
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| Keywords: | RHGB focusing propagation light intensity |
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