| 光在抛物型梯度折射率介质中传播特性的波动光学分析 |
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| 引用本文： | 廖廷俤,黄衍堂. 光在抛物型梯度折射率介质中传播特性的波动光学分析[J]. 量子电子学报, 1992, 0(3) |
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| 作者姓名： | 廖廷俤 黄衍堂 |
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| 作者单位： | 福建师范大学激光研究所 350007(廖廷俤)，福建师范大学激光研究所 350007(黄衍堂) |
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| 摘 要： | 本文从标量波动方程出发,在抛物线方程近似下得到高斯光束在抛物型梯度折射率介质中传播模的解析解;研究了高斯光束光斑半径、波面曲率半径以及强度分布的规律;并讨论了准几何光学近似条件。
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| 关 键 词： | 梯度折射率 高斯光束 光束传播 |
Wave Optics Analysis on Characteristics of Light Propagation in a Parabolic Gradient Index Rod |
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| Liao Tingdi,Huang Yantang Institute of Lasers,Fujian Normal University. Wave Optics Analysis on Characteristics of Light Propagation in a Parabolic Gradient Index Rod[J]. Chinese Journal of Quantum Electronics, 1992, 0(3) |
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| Authors: | Liao Tingdi Huang Yantang Institute of Lasers Fujian Normal University |
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| Affiliation: | Liao Tingdi,Huang Yantang Institute of Lasers,Fujian Normal University,350007 |
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| Abstract: | In this paper bascd on the scalar wave equation the analytical solution forGaussian beam propagating in a parabolic gradient--index rod is obtained in theparabolic equation approxirration. The characteristics of the beam radius,wave-front carvature fadius and the intensity distribution are studied. The quasi-geometrical--optics approximation is also discussed. |
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| Keywords: | gradient index Gaussian beam beam propagation |
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