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Electromagnetic fields in the presence of an infinite meta-material wedge

Osipov, Andrey and Salem, Mohamed and Kamel, Aladin (2007) Electromagnetic fields in the presence of an infinite meta-material wedge. In: Proceedings of Progress in Electromagnetics Research Symposium (PIERS). Progress in Electromagnetics Research Symposium (PIERS), 2007-08-27 - 2007-08-30, Prague, Czech Republic.

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The Kontorovich-Lebedev transform is applied to determine the electromagnetic fields in the presence of an infinite wedge of arbitrary doubly-negative (negative electric and negative magnetic) constants excited by an electric linesource. Uncoupled singular integral equations for the spectral amplitudes inside and outside the meta-material wedge are derived by analytically continuing those of an ordinary material wedge and numerically solved by a successive approximation scheme. Near fields inside and outside the wedge are asymptotically approximated by a residue series. The far field inside the wedge is obtained by direct integration of the Kontorovich-Lebedev integrals; the far field outside the wedge is asymptotically approximated by a residue series. Extension to the plane wave illumination case is also given. Numerical results, for the near and far fields, showing the influence of a meta-material wedge on the directivity of an electric line source as well as the scattered fields due to an incident plane wave are presented. The results are also compared with those reported in the limit of an ideal (lossless unit-index) meta-material wedge.

Item URL in elib:https://elib.dlr.de/51045/
Document Type:Conference or Workshop Item (Speech)
Title:Electromagnetic fields in the presence of an infinite meta-material wedge
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Salem, MohamedNew Jersey Institute of Technology, Newark, USAUNSPECIFIEDUNSPECIFIED
Kamel, AladinAdvanced Industrial, Technological and Engineering Center, Heliopolis Center, Cairo, EgyptUNSPECIFIEDUNSPECIFIED
Date:August 2007
Journal or Publication Title:Proceedings of Progress in Electromagnetics Research Symposium (PIERS)
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:electromagnetic diffraction, metamaterial, wedge
Event Title:Progress in Electromagnetics Research Symposium (PIERS)
Event Location:Prague, Czech Republic
Event Type:international Conference
Event Dates:2007-08-27 - 2007-08-30
Organizer:The Electromagnetics Academy
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Military Technologies (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Microwave Systems
Microwaves and Radar Institute
Deposited By: Osipov, Dr. Andrey
Deposited On:28 Aug 2007
Last Modified:27 Apr 2009 14:18

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