| 介质波导中非均匀性散射的T矩阵方法 |
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| 引用本文： | 王志良,胡力,林为干.介质波导中非均匀性散射的T矩阵方法[J].电子科技大学学报(社会科学版),1993(6). |
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| 作者姓名： | 王志良 胡力 林为干 |
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| 作者单位： | 电子科技大学宽带光纤传输与通信系统技术国家重点实验室，电子科技大学宽带光纤传输与通信系统技术国家重点实验室 成都 610054，成都 610054 |
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| 摘 要： | 采用广泛应用于波散射分析的T矩阵方法,研究了介质波导中导波与非均匀性的相互作用问题。原理上讲,文中的分析适用于任意结构的介质波导和任意形状的非均匀性。当介质波导为单模圆柱光纤而非均匀性为球形时,得到的HE_11模传输和反射系数的解析表达式与文献中应用体积分方程法所得到的结果完全一致。
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| 关 键 词： | 介质波导 非均匀性 导波散射 T矩阵方法 |
T-MATRIX APPROACH FOR SCATTERING BY AN INHOMOGENEITY IN DIELECTRIC WAVEGUIDES |
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| Wang Zhiliang Hu Li Lin Weigan.T-MATRIX APPROACH FOR SCATTERING BY AN INHOMOGENEITY IN DIELECTRIC WAVEGUIDES[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),1993(6). |
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| Authors: | Wang Zhiliang Hu Li Lin Weigan |
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| Abstract: | Based on T-matrix apprOach for wave scattering, the problem of scattering of guided waves by an inhomogeneity in dielectric waveguides is analyzed. In principle, the given analysis can be applied to the inhomogeneity of arbitrary shape and the waveguide of arbitrary geometry. As the waveguide is a monomode optical fiber and the inhomogeneity is a dielecric sphere, the analytical expression of the transmission and reflection coefficients for HE_11 mode are obtained,which are identical to the results obtained by the approach of volume integral equation. |
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| Keywords: | dielectric waveguide inhomogeneity guided wave scattering T-matrix approach |
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