| 一种可用于分析任意介电常数张量的各向异性波导导模的二维时域有限差分模型 |
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| 引用本文： | 赵安平,何晓东,于荣金,王晓光.一种可用于分析任意介电常数张量的各向异性波导导模的二维时域有限差分模型[J].光子学报,1998(10). |
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| 作者姓名： | 赵安平 何晓东 于荣金 王晓光 |
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| 作者单位： | 中国科学院长春物理研究所激发态物理开放实验室 |
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| 基金项目： | 吉林省教委青年科学基金 |
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| 摘 要： | 为分析具有任意介电常数张量的各向异性波导的导模，本文通过把简化的二维时域有限差分（２－ＤＦＤＴＤ）法扩展至任意各向异性介质，提出了一种以Ｄ、Ｅ和Ｈ场为基础的统一的简化２－ＤＦＤＴＤ模型．利用该模型，研究了简化的复数２－ＤＦＤＴＤ方法与实变数２－ＤＦＤＴＤ方法之间的关系．文中还讨论了复变数方法和实变数方法的激励技术．
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| 关 键 词： | 各向异性波导导模 二维时域有限差分法 |
A 2 D FDTD MODEL FOR THE ANALYSIS OF GUIDED MODES OF ANISOTROPIC WAVEGUIDES WITH ARBITRARY TENSOR PERMITTIVITY |
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| Zhao Anping,He Xiaodong,Yu Rongjin,Wang Xiaoguang.A 2 D FDTD MODEL FOR THE ANALYSIS OF GUIDED MODES OF ANISOTROPIC WAVEGUIDES WITH ARBITRARY TENSOR PERMITTIVITY[J].Acta Photonica Sinica,1998(10). |
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| Authors: | Zhao Anping He Xiaodong Yu Rongjin Wang Xiaoguang |
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| Abstract: | For the analysis of guided modes of anisotropic waveguides with arbitrary tensor permittivity,in this paper a unified compact 2 D FDTD model based on the D,E and H fields is developed by extending the compact 2 D FDTD method to an arbitrary anisotropic environment With the help of the proposed model,the relationship between the compact complex and real variable 2 D FDTD methods is investigated On the other hand,excitation techniques for both the complex and real variable methods are also discussed |
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| Keywords: | Guided modes of anisotropic waveguide Two dimensional Finite Difference Time Domain Method(2 D FDTD) |
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