A flexible procedure to avoid the boundary materials singularities in 2D transformation-based cloaks

被引：1
|
作者：
Goncalves, Fabio J. F. [1 ]
Pinto, Alfred G. M. [1 ]
Mesquita, Renato C. [2 ]
Silva, Elson J. [2 ]
机构：
[1] Univ Fed Minas Gerais, Grad Program Elect Engn, BR-31270901 Belo Horizonte, MG, Brazil
[2] Univ Fed Minas Gerais, Dept Elect Engn, Belo Horizonte, MG, Brazil
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2019年 / 33卷 / 03期
关键词：
Cloaking; coordinate transformation; electromagnetic metamaterials; scattering cross-width; ELECTROMAGNETIC CLOAK; DESIGN METHOD;
D O I：
10.1080/09205071.2018.1547223
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
An out-of-plane coordinate transformation can avoid singular materials in a two-dimensional electromagnetic cloak. Based on numerical simulations of elliptical cylinders, in this paper we show that the use of two different constants to define the out-of-plane stretching can result in anisotropic materials with lower values and yet with a better scattering reduction for a given incident wave direction.
引用
收藏
页码：286 / 295
页数：10
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