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Title: Scattering by a Chiral Cylinder of Arbitrary Cross Section Above a Dielectric Half-Space
Authors: Sajjad, Hassan
Altaf, Ahsan
Özzaim, Cengiz
Arvas, Ercument
Keywords: Strips
Method of moments
Optical surface waves
Electromagnetic scattering
Surface waves
Perturbation methods
Chiral materials
dielectric half-space
electric field integral equation (EFIE)
electromagnetic scattering
method of moments (MoM)
perturbation method
surface equivalence
Issue Date: 2021
Publisher: IEEE-Inst Electrical Electronics Engineers Inc
Abstract: A simple numerical solution for electromagnetic scattering from a 2-D homogeneous chiral cylinder of arbitrary cross section placed above a dielectric half-space (DHS) is presented. A modified surface equivalence principle is used to obtain coupled electric field integral equations. For feasible application of method of moments, a perturbation method is used where a strip of finite width approximates the surface of the infinite half-space. The perturbed currents on the interface are expressed as a difference of the currents with the cylinder present and the exact solution (cylinder removed). The excitation vector now contains the reflected field from the DHS in addition to the incident field. Transverse magnetic (TM) and transverse electric (TE) excitations are treated. Computed results include perturbed currents on the dielectric interface and the scattered fields. Excellent agreement is observed for special cases available in the literature.
ISSN: 1536-1225
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu
Tez Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu

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