Broadband cloaking using composite dielectrics | Zendy

RueyBing Hwang | Zendy; Cheng-Yuan Chin | Zendy

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Broadband cloaking using composite dielectrics

Author(s) -

RueyBing Hwang,

Cheng-Yuan Chin

Publication year - 2011

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3562891

Subject(s) - cloaking , cloak , poynting vector , broadband , transmission coefficient , scattering , optics , bandwidth (computing) , reflection coefficient , dielectric , reflection (computer programming) , metamaterial , stack (abstract data type) , physics , materials science , transmission (telecommunications) , optoelectronics , computer science , telecommunications , quantum mechanics , magnetic field , programming language

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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