| 任意截面介质波导导模的叠代矩量法分析 |
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| 引用本文： | 佘守宪.任意截面介质波导导模的叠代矩量法分析[J].光学学报,1989,9(2):20-127. |
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| 作者姓名： | 佘守宪 |
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| 作者单位： | 北方交通大学物理系 |
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| 基金项目： | 国家自然科学基金会资助 |
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| 摘 要： | 本文提出用以计算任意截面介质波导色散关系的叠代矩量法,并给出用叠代矩量法计算椭圆介质波导、三角形波导、平切圆波导、蛋形截面波导等的传播特性的实例.计算结果与有限元法、点匹配法等精确数值计算结果符合很好.本方法简便易行,计算工作量较小.
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| 关 键 词： | 光波导 光纤 波导色散 矩量法 |
IMM Analysis of guided modes of dielectric waveguides with arbitrary cross-section |
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| SHE SHOUXIAN.IMM Analysis of guided modes of dielectric waveguides with arbitrary cross-section[J].Acta Optica Sinica,1989,9(2):20-127. |
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| Authors: | SHE SHOUXIAN |
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| Abstract: | In this paper we present an iterated moment method (IMM) for evaluating dispersion relations of dielectric waveguides with arbitrary cross-section. The numerical results are given for the fibers of var ous shapes such as circles, ellipses, equi-lateral triangles, chipped-circles and egg-shaped cross-sections. The results agree well with exact computer-aided numerical results by finite element method and point-matching method. The present method is simple and saves computation time. |
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| Keywords: | optical waveguide optical fiber waveguide dispersion moment method |
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