| Broad-bandwidth and low-loss metamaterials： theory, design and realization |
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| 引用本文： | 李乐伟,姚海英,吴群,陈志宁.Broad-bandwidth and low-loss metamaterials： theory, design and realization[J].浙江大学学报(A卷英文版),2006,7(1):5-23. |
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| 作者姓名： | 李乐伟 姚海英 吴群 陈志宁 |
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| 作者单位： | [1]Department of Electrical and Computer Engineering, The National University of Singapore, 119260, Singapore [2]Department of Electronics and Communications Engineering, Harbin Institute of Technology, Harbin 150001, China [3]Institute for lnfocomm Research, 117674, Singapore |
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| 摘 要： | In this paper, we summarize some recent activities in the field of metamaterial research at the National University of Singapore （NUS）. Integral equations are applied for electromagnetic modelling of supernatural materials. Some special characteristics of the metamaterials are shown. Moreover, quasi-static Lorentz theory and numerical method （i.e., the method of moments for solving the electric field integral equation） and the transmission line theory are both presented to obtain the effective constitutive relations of metamaterials, respectively. Finally, feasibility of fabricating metamaterials based on analysis of equivalent transmission line model in the microwave spectrum and even higher is also shown and correspondingly some broad-bandwidth and low-loss metamaterial structures are designed and synthesized.
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| 关 键 词： | 电场 积分方程 EFIE 元材料 带宽 |
| 收稿时间： | 2005-09-05 |
| 修稿时间： | 2005-10-10 |
Broad-bandwidth and low-loss metamaterials: Theory, design and realization |
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| Le-wei Li,Hai-ying Yao,Qun Wu,Zhi-ning Chen.Broad-bandwidth and low-loss metamaterials: Theory, design and realization[J].Journal of Zhejiang University Science,2006,7(1):5-23. |
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| Authors: | Le-wei Li Hai-ying Yao Qun Wu Zhi-ning Chen |
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| Institution: | (1) Department of Electrical and Computer Engineering, The National University of Singapore, 119260, Singapore;(2) Department of Electronics and Communications Engineering, Harbin Institute of Technology, Harbin, 150001, China;(3) Institute for Infocomm Research, 117674, Singapore |
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| Abstract: | In this paper, we summarize some recent activities in the field of metamaterial research at the National University of Singapore
(NUS). Integral equations are applied for electromagnetic modelling of supernatural materials. Some special characteristics
of the metamaterials are shown. Moreover, quasi-static Lorentz theory and numerical method (i.e., the method of moments for
solving the electric field integral equation) and the transmission line theory are both presented to obtain the effective
constitutive relations of metamaterials, respectively. Finally, feasibility of fabricating metamaterials based on analysis
of equivalent transmission line model in the microwave spectrum and even higher is also shown and correspondingly some broad-bandwidth
and low-loss metamaterial structures are designed and synthesized. |
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| Keywords: | Metamaterials Electric field integral equation (EFIE) Transmission line theory (TLT) Quasi-static Lorentz theory |
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