Electromagnetic analysis of cylindrical cloaks of an arbitrary cross section

被引:87
|
作者
Nicolet, Andre [2 ]
Zolla, Frederic [2 ]
Guenneau, Sebastien [1 ]
机构
[1] Univ Liverpool, Dept Math Sci, Liverpool L69 3BX, Merseyside, England
[2] Univ Aix Marseille, CNRS, Inst Fresnel, UMR 6133, F-13397 Marseille 20, France
关键词
D O I
10.1364/OL.33.001584
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We extend the design of radially symmetric invisibility cloaks through transformation optics as proposed by Pendry et al. [Science 312, 1780 (2006)] to coated cylinders of an arbitrary cross section. The validity of our Fourier-based approach is confirmed by both analytical and numerical results for a cloak displaying a nonconvex cross section of varying thickness. In the former case, we evaluate the Green's function of a line source in the transformed coordinates. In the latter case, we implement a full-wave finite-element model for a cylindrical antenna radiating a p-polarized electric field in the presence of a F-shaped lossy object surrounded by the cloak. (C) 2008 Optical Society of America.
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页码:1584 / 1586
页数:3
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