基于电感电容网络的各向异性超材料隐身衣
Invisibility Cloaks Modeled by Anisotropic Metamaterials Based on Inductor-capacitor Networks
摘要：
基于变换光学原理，提出了一种利用平面各向异性超材料实现隐身的传输线方法。基于电感-电容（L-C）MTM网络对二维圆柱形斗篷进行建模。本构参数的三个元素都被允许是空间不均匀的，导致圆柱形斗篷的全参数实现。以VHF波段隐身衣为例，通过求解节点电压分布，验证了隐身衣的隐身性能。由于L-C元件的非谐振特性，所提出的斗篷的宽带特性也是明显的。
英文摘要：
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 cylindrical cloaks are modeled based on inductor-capacitor (L-C) MTMs networks. The three elements of the constitutive parameters are all allowed to be spatially inhomogeneous which lead 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 non-resonant properties of the L-C elements, the broadband characteristic of the proposed cloaks is also evident.
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