Invisibility Cloaks Modeled by Anisotropic Metamaterials Based on Inductor-Capacitor Networks

被引：18
|
作者：
Liu, Xiao [1 ]
Li, Chao [1 ]
Yao, Kan [1 ]
Meng, Xiankun [1 ]
Li, Fang [1 ]
机构：
[1] Chinese Acad Sci, Inst Elect, Beijing 100190, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2009年 / 8卷
基金：
中国国家自然科学基金;
关键词：
Cloaking; inductor-capacitor (LC); invisibility; metamaterials (MTMs); transmission line (TL); ELECTROMAGNETIC CLOAKING;
D O I：
10.1109/LAWP.2009.2034675
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：
Based on the transformation optics, a novel transmission-line (TL) approach to realize invisibility cloaking using planar anisotropic metamaterials (MTMs) is proposed. The two-dimensional (2D) cylindrical cloaks are modeled based on inductor-capacitor (LC) MTMs networks. The three elements of the constitutive parameters mu(r), mu(theta), epsilon(z) and are all allowed to be spatially inhomogeneous, which leads to the full parameter realization of a cylindrical cloak. As an example, a cloak working at VHF band is modeled, and its invisibility behavior is demonstrated based on the solution of the node voltage distribution. Due to the nonresonant properties of the LC elements, the broadband characteristic of the proposed cloaks is also evident.
引用
收藏
页码：1154 / 1157
页数：4
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