Electromagnetic concentrators with reduced material parameters based on coordinate transformation

被引：47
|
作者：
Wang, Wei [1 ]
Lin, Lan [1 ]
Ma, Junxian [2 ]
Wang, Changtao [1 ]
Cui, Jianhua [1 ]
Du, Chunlei [1 ]
Luo, Xiangang [1 ]
机构：
[1] Chinese Acad Sci, Inst Opt & Elect, State Key Lab Opt Technol Microfabricat, Chengdu 610209, Peoples R China
[2] Shenzhen Univ, Coll Informat Engn, Shenzhen 518060, Peoples R China
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 15期
关键词：
D O I：
10.1364/OE.16.011431
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Omni-directional electromagnetic field concentrators have been recently reported by Marco Rahm et al. [Photon. Nanostruct.: Fundam. Applic. 6, 87 (2008)] based on form-invariant coordinate transformations related to its Jacobi transformation matrix. Using transverse-electric wave illumination, we reduced the complex material parameters of the concentrator for future practical implementation. Concentrators with different set of permittivity and permeability tensors are proposed. The electromagnetic concentrating performance and the scattering properties at the inner and outer boundary of these concentrators are theoretically and numerically analyzed. Finally we obtain a set of material tensors for a concentrator that simultaneously has perfect matched interior and exterior interfaces. (C) 2008 Optical Society of America.
引用
收藏
页码：11431 / 11437
页数：7
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