Electromagnetic invisibility of elliptic cylinder cloaks

被引：13

作者：

Kan, Yao ^{[1
,2
]}

Chao, Li ^{[1
]}

Fang, Li ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Elect, Beijing 100080, Peoples R China

[2] Grad Univ, Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 05期

关键词：

D O I：

10.1088/0256-307X/25/5/037

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Structures with unique electromagnetic properties are designed based on the approach of spatial coordinate transformations of Maxwell's equations. This approach is applied to scheme out invisible elliptic cylinder cloaks, which provide more feasibility for cloaking arbitrarily shaped objects. The transformation expressions for the anisotropic material parameters and the field distribution are derived. The cloaking performances of ideal and lossy elliptic cylinder cloaks are investigated by finite element simulations. It is found that the cloaking performance will degrade in the forward direction with increasing loss.

引用

页码：1657 / 1660

页数：4

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