Complementary Media Invisibility Cloak that Cloaks Objects at a Distance Outside the Cloaking Shell

被引:509
作者
Lai, Yun [1 ]
Chen, Huanyang [1 ]
Zhang, Zhao-Qing [1 ]
Chan, C. T. [1 ]
机构
[1] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China
关键词
NEGATIVE REFRACTION; HYPERLENS;
D O I
10.1103/PhysRevLett.102.093901
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Based on the concept of complementary media, we propose an invisibility cloak operating at a finite frequency that can cloak an object with a prespecified shape and size within a certain distance outside the shell. The cloak is comprised of a dielectric core and an "antiobject" embedded inside a negative index shell. The cloaked object is not blinded by the cloaking shell since it lies outside the cloak. Full-wave simulations in two dimensions have been performed to verify the cloaking effect.
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页数:4
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