Artificial isotropic magnetism and negative refraction of metamaterial consisting of dielectric spherical shells

被引：0
|
作者：
Ling Yun Liu
Dong Ping Yang
Yuan Ming Zhou
Ji Zhou
机构：
[1] Hubei Collaborative Innovation Center for High-efficiency Utilization of Solar Energy,School of Electrical and Electronic Engineering
[2] Hubei University of Technology,State Key Laboratory of New Ceramics and Fine Processing, Department of Material Science and Engineering
[3] Tsinghua University,undefined
来源：
Applied Physics A | 2014年 / 117卷
关键词：
Spherical Shell; Effective Permeability; Negative Refraction; Split Ring Resonator; Negative Refractive Index;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We present a detailed study on the artificial magnetism of high-permittivity dielectric spherical shell array and the negative refraction behavior of the composite consisting of dielectric spherical shells and metal wire lattice. The spherical shell array in cubic lattice arrangement can exhibit an isotropic negative magnetism when excited into magnetic dipole resonance. When the dielectric spherical shell and metal wire lattice are combined in a body-centered cubic structure, full-wave simulations show that the bulk metamaterial with this structure can exhibit a negative refraction behavior. It is shown that artificial magnetic response can originate from differently structured dielectric elements, similarly to the conventional metamaterial constituents based on metal resonance structures.
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页码：747 / 753
页数：6
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