Integral Equation Analysis of Terahertz Backscattering from Circular Dielectric Rod with Partial Graphene Cover

We study how the backward scattering crosssection (BSCS) of a microsize dielectric rod illuminated by an Hpolarized plane wave can be efficiently manipulated using a partial graphene cover and associated plasmon resonances. Our treatment is based on the hyper-singular boundary integral equation, dis...

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Bibliographic Details
Published in:IEEE journal of quantum electronics Vol. 56; no. 6; p. 1
Main Authors: Dukhopelnykov, Sergii V., Sauleau, Ronan, Nosich, Alexander I.
Format: Journal Article
Language:English
Published: New York IEEE 01.12.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Institute of Electrical and Electronics Engineers
Subjects:
Algorithms
Backscattering
backward scattering
Boundary integral method
Dielectrics
Engineering Sciences
Graphene
graphene cover
hypersingular integral equation
Integral equations
Interpolation
Nystrom-type discretization
Plane waves
Plasmons
Scattering
Scattering cross sections
Strips
Nystrom-type discretization
backward scattering
Graphene cover
hyper-singular integral equation
ISSN:0018-9197, 1558-1713
Online Access:Get full text
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Summary:We study how the backward scattering crosssection (BSCS) of a microsize dielectric rod illuminated by an Hpolarized plane wave can be efficiently manipulated using a partial graphene cover and associated plasmon resonances. Our treatment is based on the hyper-singular boundary integral equation, discretized with a Nystrom-type algorithm, which has a mathematically grounded convergence. We compute the BSCS and the extinction cross-section (ECS) in the sub-THz and THz ranges with controlled accuracy and demonstrate that BSCS can be both enhanced and reduced due to the graphene strip.
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ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2020.3015482