A rigorous and nonsingular two dimensional cloaking coordinate transformation

被引:27
作者
Cummer, Steven A. [1 ,2 ]
Liu, Ruopeng [1 ,2 ]
Cui, Tie Jun [3 ]
机构
[1] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA
[2] Duke Univ, Ctr Metamat & Integrated Plasmon, Durham, NC 27708 USA
[3] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Peoples R China
基金
美国国家科学基金会;
关键词
electromagnetic field theory; light scattering;
D O I
10.1063/1.3080155
中图分类号
O59 [应用物理学];
学科分类号
摘要
We derive an approximate but rigorous two dimensional electromagnetic cloaking shell in which no parameters are singular. The simplicity of the material parameters makes it potentially easier to realize in practice than other cloaking solutions. The analytical formulation of this shell also provides a simple and explicit analytical trade-off between its scatter reduction performance, its thickness relative to the interior size, and the complexity and realization difficulty of the required permittivity and permeability.
引用
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页数:3
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