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Broadband cloaking using composite dielectrics

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Author(s): Ruey-Bing Hwang | Cheng-Yuan Chin

Journal: AIP Advances
ISSN 2158-3226

Volume: 1;
Issue: 1;
Start page: 012112;
Date: 2011;
Original page

ABSTRACT
In this paper, we present a novel cloaking structure that is able to make a metallic block invisible in a metallic waveguide. Such a cloak is made up of a stack of commonly used dielectric slabs. We carry out the numerical simulation and observe the detour of the vector Poynting power through the cloak. Moreover, the experiment is conducted for measuring the scattering characteristics including the reflection and transmission coefficients. The great improvement in the transmission coefficient in a broad bandwidth after cloaking is demonstrated. Significantly, the theory of mode conversion is developed for explaining the cloaking phenomenon.

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Tangokurs Rapperswil-Jona

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