| 含左手材料对称三层平板空气波导的模式特性 |
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| 引用本文： | 蒋美萍,陈宪锋,王叶荟.含左手材料对称三层平板空气波导的模式特性[J].光子学报,2009,38(4):832-836. |
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| 作者姓名： | 蒋美萍 陈宪锋 王叶荟 |
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| 作者单位： | 江苏工业学院,信息科学系,江苏,常州,213164 |
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| 基金项目： | 江苏省高校自然科学基础研究基金，江苏工业学院自然科学基金 |
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| 摘 要： | 研究了左手材料作为衬底及覆盖层的对称三层平板空气波导的传输特性.快波和慢波都可以在这种波导中传播.快波不存在基模模式,只有0阶和1阶的TE或TM模才会出现慢波.当左手材料的相对介电常量和相对磁导率相等时,TE、TM模式完全简并,当其相异时简并消除.可以存在同阶模式的双传播模.
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| 关 键 词： | 导波光学 左手材料 平板波导 快波和慢波 简并 色散关系 Guided wave optics Left handed material Slab waveguide Fast waves and slow waves Degenaration Dispersion relation |
| 收稿时间： | 2007-11-28 |
| 修稿时间： | 2008-03-31 |
Mode Characteristics in a Symmetrical Three Slabs Air Waveguide with Left-handed Material |
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| JIANG Mei-ping,CHEN Xian-feng,WANG Ye-hui.Mode Characteristics in a Symmetrical Three Slabs Air Waveguide with Left-handed Material[J].Acta Photonica Sinica,2009,38(4):832-836. |
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| Authors: | JIANG Mei-ping CHEN Xian-feng WANG Ye-hui |
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| Institution: | Department of Information Science;Jiangsu Polytechnical University;Changzhou Jiangsu;213164;China |
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| Abstract: | The propagation properties in a symmetrical three slabs air waveguide with left-handed materials as substrate and cover layers were studied.The fast and slow waves can both propagate in the waveguide system.There is no base mode for fast wave.The slow wave mode can exist in zero or one order TE or TM mode only.TE and TM mode were degenarated when the permittivity equal to permeability of the left-handed material.And the degenarate was disappeared.Two propagation modes with the same mode number can coexiste ... |
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| Keywords: | Guided-wave optics Left-handed material Slab waveguide Fast waves and slow waves Degenaration Dispersion relation |
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