Broadband cloaking using composite dielectrics

Ruey-Bing Hwang*, Cheng Yuan Chin

*Corresponding author for this work

Research output: Contribution to journalArticle

6 Scopus citations

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.

Original languageEnglish
Article number012112
JournalAIP Advances
Volume1
Issue number1
DOIs
StatePublished - 21 Sep 2011

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