Scattering and absorption of a complex source point beam by a grounded lossy dielectric slab with a superstrate

Nikolaos L. Tsitsas; Constantinos A. Valagiannopoulos; Alexander I. Nosich

doi:10.1088/2040-8978/16/10/105712

Scattering and absorption of a complex source point beam by a grounded lossy dielectric slab with a superstrate

Nikolaos L. Tsitsas, Constantinos A. Valagiannopoulos, Alexander I. Nosich

Department of Physics

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Considered is the scattering and absorption of an E-polarized two-dimensional (2D) beam generated by a complex-source-point (CSP) feed in the presence of a lossy grounded dielectric slab with a lossless superstrate. The solution is found analytically in the Fourier-transform domain. Numerical results demonstrate the ways of obtaining enhanced absorption in the slab by a proper selection of the slab electrical thickness and the parameters of the superstrate. The effects of internal resonances in the slab are analyzed and discussed.

Original language	English
Article number	105712
Journal	Journal of Optics (United Kingdom)
Volume	16
Issue number	10
DOIs	https://doi.org/10.1088/2040-8978/16/10/105712
Publication status	Published - Oct 1 2014

Keywords

Fourier integrals
absorption
complex source point (CSP) beam
scattering
slab structure

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics

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Cite this

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AU - Tsitsas, Nikolaos L.

AU - Valagiannopoulos, Constantinos A.

AU - Nosich, Alexander I.

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N2 - Considered is the scattering and absorption of an E-polarized two-dimensional (2D) beam generated by a complex-source-point (CSP) feed in the presence of a lossy grounded dielectric slab with a lossless superstrate. The solution is found analytically in the Fourier-transform domain. Numerical results demonstrate the ways of obtaining enhanced absorption in the slab by a proper selection of the slab electrical thickness and the parameters of the superstrate. The effects of internal resonances in the slab are analyzed and discussed.

AB - Considered is the scattering and absorption of an E-polarized two-dimensional (2D) beam generated by a complex-source-point (CSP) feed in the presence of a lossy grounded dielectric slab with a lossless superstrate. The solution is found analytically in the Fourier-transform domain. Numerical results demonstrate the ways of obtaining enhanced absorption in the slab by a proper selection of the slab electrical thickness and the parameters of the superstrate. The effects of internal resonances in the slab are analyzed and discussed.

KW - Fourier integrals

KW - absorption

KW - complex source point (CSP) beam

KW - scattering

KW - slab structure

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