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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Vydáno v:IEEE journal of quantum electronics Ročník 56; číslo 6; s. 1
Hlavní autoři: Dukhopelnykov, Sergii V., Sauleau, Ronan, Nosich, Alexander I.
Médium: Journal Article
Jazyk:angličtina
Vydáno: New York IEEE 01.12.2020
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Institute of Electrical and Electronics Engineers
Témata:
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
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Popis
Shrnutí: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.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:0018-9197
1558-1713
DOI:10.1109/JQE.2020.3015482