Response of a cylindrical invisibility cloak to electromagnetic waves

被引:112
作者
Zhang, Baile
Chen, Hongsheng
Wu, Bae-Ian
Luo, Yu
Ran, Lixin
Kong, Jin Au
机构
[1] MIT, Elect Res Lab, Cambridge, MA 02139 USA
[2] Zhejiang Univ, Electromagnet Acad, Hangzhou 310058, Peoples R China
来源
PHYSICAL REVIEW B | 2007年 / 76卷 / 12期
关键词
D O I
10.1103/PhysRevB.76.121101
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Based on electromagnetic wave scattering theory, we demonstrate that magnetic and electric surface currents are induced at the inner boundary of a cylindrical cloak by incoming waves. These surface currents have no counterparts in the coordinate transform theory. In addition, electromagnetic fields can penetrate into the concealed region under specified conditions, but carry no power. The field distribution can be unsymmetrical when a circularly polarized wave is obliquely incident onto the cloak. The far-field scattering for a nonideal cylindrical cloak is also theoretically addressed.
引用
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页数:4
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