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CLC number: O441

On-line Access: 2024-08-27

Received: 2023-10-17

Revision Accepted: 2024-05-08

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Journal of Zhejiang University SCIENCE A 2006 Vol.7 No.1 P.5-23

http://doi.org/10.1631/jzus.2006.A0005


Broad-bandwidth and low-loss metamaterials: theory, design and realization


Author(s):  Li Le-wei, Yao Hai-ying, Wu Qun, Chen Zhi-ning

Affiliation(s):  Department of Electrical and Computer Engineering, The National University of Singapore, 119260, Singapore; more

Corresponding email(s):   LWLi@nus.edu.sg

Key Words:  Metamaterials, Electric field integral equation (EFIE), Transmission line theory (TLT), Quasi-static Lorentz theory



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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