期刊
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
卷 8, 期 -, 页码 1154-1157出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LAWP.2009.2034675
关键词
Cloaking; inductor-capacitor (LC); invisibility; metamaterials (MTMs); transmission line (TL)
资金
- National Natural Science Foundation of China [60501018, 60990323, 60990320]
- Chinese Academy of Sciences
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.
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