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Tunable invisibility cloaking by using isolated graphene-coated nanowires and dimers

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2017
osnovni rad (4.173Mb)
Authors
Naserpour, Mahin
Zapata-Rodríguez, Carlos J.
Vuković, Slobodan
Pashaeiadl, Hamid
Belić, Milivoj
Article (Published version)
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Abstract
We investigate, both theoretically and numerically, a graphene-coated nano-cylinder illuminated by a plane electromagnetic wave in the far-infrared range of frequencies. We have derived an analytical formula that enables fast evaluation of the spectral window with a substantial reduction in scattering efficiency for a sufficiently thin cylinder. This polarization-dependent effect leads to tunable resonant invisibility that can be achieved via modification of graphene chemical potential monitored by the gate voltage. A multi-frequency cloaking mechanism based on dimer coated nanowires is also discussed in detail.
Keywords:
Nanoparticles / Optical properties and devices / graphene / Nanotubes / coatings
Source:
Scientific reports, 2017, 7, 1, 12186-
Publisher:
  • England : Nature Publishing Group
Projects:
  • Fabrication and characterization of nano-photonic functional structrues in biomedicine and informatics (RS-45016)
  • Spanish Ministry of Economy and Competitiveness (Grant No. TEC2014-53727-C2-1-R).
  • Qatar National Research Fund (NPRP 7-665-1-125)

DOI: 10.1038/s41598-017-12413-4

ISSN: 2045-2322

PubMed: 28939888

WoS: 000411434900052

Scopus: 2-s2.0-85029739025
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URI
https://cer.ihtm.bg.ac.rs/handle/123456789/3861
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