Nonlocal homogenization of an array of cubic particles made of resonant rings

被引：0

作者：

Department of Electrical Engineering - Instituto de Telecomunicações, University of Coimbra, 3030 Coimbra, Portugal ^{[1
]}

不详 ^{[2
]}

不详 ^{[3
]}

机构：

来源：

Metamaterials | 2009年 / 3-4卷 / 115-128期

关键词：

Artificial magnetisms - Cubic particle - Effective parameters - External excitation - Left handed materials - Microscopic fields - Spatial dispersion - Wire medium;

D O I：

10.1016/j.metmat.2009.08.004

中图分类号：

学科分类号：

摘要：

Here, we develop a nonlocal homogenization model to characterize the electrodynamics of an array of cubic particles made of resonant rings. The effective parameters are calculated from the microscopic fields produced by a periodic external excitation. It is confirmed that the spatial dispersion effects cannot be neglected in the regime where μ ≈ 0. We demonstrate that when the array of resonant rings is combined with a triple wire medium formed by connected wires, the structure may behave approximately as an isotropic left-handed material. © 2009 Elsevier B.V. All rights reserved.

引用

页码：115 / 128

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