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      Non-ideal multifrequency cloaking using strongly dispersive materials

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      Author
      Serebryannikov, A. E.
      Özbay, Ekmel
      Date
      2010
      Source Title
      Physica B: Condensed Matter
      Print ISSN
      0921-4526
      Publisher
      Elsevier
      Volume
      405
      Issue
      14
      Pages
      2959 - 2963
      Language
      English
      Type
      Article
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      Abstract
      Non-ideal multifrequency cloaking of dielectric cylinders is expected to be realizable by using single-layer coating shells, which are made of isotropic homogeneous dispersive materials. In the present paper, scattering on the coated cylinders is studied for the Drude-Lorentz materials with frequency dependent permittivity and permeability. The exploited physical mechanism is based on the Fabry-Perot-type radial resonances arising in the coating shells. The obtained simulation results confirm the possibility of a strong reduction of the total scattering cross section at several frequencies simultaneously. Resonance frequencies can be estimated by using simple algebraic equations. The suggested mechanism can be used for TE and TM polarizations within a wide range of the variation of the diameter-to-wavelength ratio.
      Keywords
      Cloaking
      Drude - Lorentz material
      Fabry-Perot resonator
      Permalink
      http://hdl.handle.net/11693/28586
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.physb.2010.01.013
      Collections
      • Department of Electrical and Electronics Engineering 3524
      • Department of Physics 2299
      • Nanotechnology Research Center (NANOTAM) 1006
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