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http://hdl.handle.net/20.500.12358/25954
TitleWide-angle and wavelength-independent perfect absorption at metamaterial surfaces
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Abstract

In this paper, the reflection and absorption properties of a metamaterial layer on a metallic substrate is investigated theoretically and numerically. Perfect absorption is achieved for any frequency and for any angle of incidence when specified conditions are satisfied. These conditions are as follows:(i) the real permeability Re μ of the metamaterial is very small as compared with the imaginary part Im μ and (ii) the metamaterial thickness is very thin as compared with the wavelength of the incident radiation. Expressions for reflection and absorption coefficients are derived in detail. In the numerical results, the mentioned coefficients are computed and illustrated as a function of angle of incidence when Re μ, Im μ, and metamaterial thickness change.

Authors
Ubeid, Muin F
Shabat, Mohammed M.
Schaadt, Daniel M
TypeJournal Article
Date2016
Subjects
absorption
metamaterial
permeability
reflection
metallic substrate
Published inRomanian Reports in Physics
SeriesVolume: 68, Number: 2
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  • Staff Publications- Faculty of Science [1030]
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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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The institutional repository of the Islamic University of Gaza was established as part of the ROMOR project that has been co-funded with support from the European Commission under the ERASMUS + European programme. This publication reflects the views only of the author, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

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