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Title: Extraction of constitutive relation tensor parameters of SRR structures using transmission line theory
Authors: Xu, W.
Li, L.-W. 
Yao, H.-Y. 
Yeo, T.-S. 
Wu, Q.
Issue Date: 2006
Citation: Xu, W., Li, L.-W., Yao, H.-Y., Yeo, T.-S., Wu, Q. (2006). Extraction of constitutive relation tensor parameters of SRR structures using transmission line theory. Journal of Electromagnetic Waves and Applications 20 (1) : 13-25. ScholarBank@NUS Repository.
Abstract: In this paper, the transmission line theory is utilized to characterize the metamaterials comprising of microscopic elements of a periodic array, specifically, the traditional split-ring resonators (SRRs), as an example. The bianisotropic property of the metamaterials is characterized in a new way different from the existing wave methods. As evident from both simulations and experiments, the SRR array structure is found to be quite lossy even though it is made of very good conductor or even perfect conductor as in simulation. With the present characterization, we are able to explain physically very well on how or why the energy gets lost in this structure. Finally, the theoretical result is compared with numerical simulation data obtained based on quasi-static Lorentz theory to further verify our analysis.
Source Title: Journal of Electromagnetic Waves and Applications
ISSN: 09205071
DOI: 10.1163/156939306775777413
Appears in Collections:Staff Publications

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