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各向异性媒质中光子带隙结构色散特性的时域伪谱法分析 被引量：3

Study on the Dispersion Characteristics of PBG Structure Consisting of Anisotropic Medium by Using PSTD Method
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摘要 本文采用时域伪谱 (PSTD)法分析复杂媒质中的光子带隙 (PBG)结构 ,建立了电磁波色散特性的统一数学模型 ,经数值计算绘出色散曲线 .在各向同性媒质情况下所得的曲线 ,与时域有限差分法及平面波展开法的结果相一致 .在各向异性媒质情况下 ,能展宽原各向同性媒质PBG结构的第一阻带。 The formulation of PBG structure consisting of complex (including anisotropic, biisotropic and bianisotropic) medium is modeled by using pseudo-spectral time-domain method, and then employed for calculating the dispersion curves. The numerical results show that in the case of isotropic medium, the dispersion curves are in good agreement with that from FDTD method and also plane wave expansion method; in the case of anisotropic medium, the dispersion curves form a wider first stop-band and more stop-bands of higher order.
作者 包秀龙 章文勋 李乐伟
机构地区 东南大学毫米波国家重点实验室 新加坡国立大学
出处 《电子学报》 EI CAS CSCD 北大核心 2003年第12期1761-1764,共4页 Acta Electronica Sinica
基金 国家自然科学基金项目 (No.60 0 71 0 0 7) 中国-新加坡合作研究项目 (No .2 0 0 1 .62 )
关键词 时域伪谱法 光子带隙结构 色散特性 复杂媒质 电磁波色散 各向异性媒质 Dispersions Mathematical models Numerical analysis Time domain analysis
分类号 TN011 [电子电信—物理电子学]
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参考文献12

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同被引文献16

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引证文献3

二级引证文献8

电子学报
2003年 第12期

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