Experimental verification of broadband invisibility using a cloak based on inductor-capacitor networks

Experimental verification of broadband invisibility using a cloak based on inductor-capacitor networks

We demonstrate the experimental realization of an invisibility cloak based on inductor-capacitor (L-C) transmission line (TL) networks. The anisotropic medium parameters of a cloak in the cylindrical basis are controlled independently by three branches of the L-C unit cell, which leads to a full-par...

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Veröffentlicht in:Applied physics letters 2009-11, Vol.95 (19)
Hauptverfasser: Liu, Xiu, Li, Chao, Yao, Kan, Meng, Xiankun, Feng, Wei, Wu, Bingheng, Li, Fang
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container_title Applied physics letters
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creator Liu, Xiu
Li, Chao
Yao, Kan
Meng, Xiankun
Feng, Wei
Wu, Bingheng
Li, Fang
description We demonstrate the experimental realization of an invisibility cloak based on inductor-capacitor (L-C) transmission line (TL) networks. The anisotropic medium parameters of a cloak in the cylindrical basis are controlled independently by three branches of the L-C unit cell, which leads to a full-parameter realization of the cloak. A cylindrical cloak working in very-high-frequency band has been designed and fabricated, with its performance measured. The nonresonant property of the TL structure results in a relatively broad bandwidth (from 24 to 40 MHz) of the realized cloak, which is clearly observed in our experiment.
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title Experimental verification of broadband invisibility using a cloak based on inductor-capacitor networks
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