Cloaking of metallic sub-wavelength objects by plasmonic metamaterial shell in quasistatic limit

被引:5
|
作者
Noor, A. [1 ]
Hu, Z. [1 ]
机构
[1] Univ Manchester, Sch Elect & Elect Engn, Manchester, Lancs, England
关键词
ELECTROMAGNETIC-FIELDS; TRANSPARENCY;
D O I
10.1049/iet-map:20070334
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
Cloaking of metallic sub-wavelength cubic and cylindrical objects by isotropic, homogeneous plasmonic cover is investigated and numerically analysed. Significant reductions in both monostatic and bistatic radiation cross section (RCS) have been observed. In the case of cubic object, oblique incidence is also considered. Furthermore, cloaking of rectangular bar has also been investigated. The cloak in all these cases is a spherical plasmonic shell with dielectric and magnetic losses. The simulation results reveal that a lossy shell slightly degrades the cloaking performance; nevertheless the reduction in RCS is still sufficient for potential practical applications.
引用
收藏
页码:40 / 46
页数:7
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