On the energy flux through a uniaxial chiral metamaterial made circular waveguide under PMC boundary

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Abstract

Propagation of electromagnetic waves through a circular waveguide consisting of uniaxial anisotropic chiral metamaterial is studied. The outer surface of the guide is assumed to be coated with a perfect magnetic conductor material. The characteristic eigenvalue equation corresponding to the guided modes is deduced followed by the investigation of the cut-off frequencies and the flow of energy flux considering three different kinds of uniaxial chiral metamaterials. The propagation of negative energy flux through the metamaterial medium is found, which leads toward the phenomenon of backward waves in uniaxial anisotropic chiral mediums. This feature is found to be greatly dependent on the type of the chiral material used in the waveguide medium.

Original languageEnglish
Pages (from-to)2165-2175
Number of pages11
JournalJournal of Electromagnetic Waves and Applications
Volume26
Issue number16
DOIs
Publication statusPublished - 2012

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circular waveguides
Circular waveguides
Metamaterials
Fluxes
Anisotropic media
backward waves
propagation
Cutoff frequency
Electromagnetic waves
energy
electromagnetic radiation
Waveguides
eigenvalues
cut-off
conductors
waveguides

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Physics and Astronomy(all)

Cite this

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abstract = "Propagation of electromagnetic waves through a circular waveguide consisting of uniaxial anisotropic chiral metamaterial is studied. The outer surface of the guide is assumed to be coated with a perfect magnetic conductor material. The characteristic eigenvalue equation corresponding to the guided modes is deduced followed by the investigation of the cut-off frequencies and the flow of energy flux considering three different kinds of uniaxial chiral metamaterials. The propagation of negative energy flux through the metamaterial medium is found, which leads toward the phenomenon of backward waves in uniaxial anisotropic chiral mediums. This feature is found to be greatly dependent on the type of the chiral material used in the waveguide medium.",
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AU - Choudhury, Pankaj Kumar

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AB - Propagation of electromagnetic waves through a circular waveguide consisting of uniaxial anisotropic chiral metamaterial is studied. The outer surface of the guide is assumed to be coated with a perfect magnetic conductor material. The characteristic eigenvalue equation corresponding to the guided modes is deduced followed by the investigation of the cut-off frequencies and the flow of energy flux considering three different kinds of uniaxial chiral metamaterials. The propagation of negative energy flux through the metamaterial medium is found, which leads toward the phenomenon of backward waves in uniaxial anisotropic chiral mediums. This feature is found to be greatly dependent on the type of the chiral material used in the waveguide medium.

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