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      Manipulation of backscattering from a dielectric cylinder of triangular cross-section using the interplay of go-like ray effects and resonances

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      Author
      Sukharevsky, Ilya O.
      Nosich, A. I.
      Altıtaş, Ayhan
      Date
      2015
      Source Title
      IEEE Transactions on Antennas and Propagation
      Print ISSN
      0018-926X
      Publisher
      Institute of Electrical and Electronics Engineers
      Volume
      63
      Issue
      5
      Pages
      2162 - 2169
      Language
      English
      Type
      Article
      Item Usage Stats
      184
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      106
      downloads
      Abstract
      A triangular dielectric cylinder (dielectric prism) of the size, in cross-section, comparable to or moderately larger than the wavelength is a scatterer, which blends together two different types of electromagnetic behavior: geometrical optics (GO) and resonance. As shown in this paper, the first is responsible, for instance, for enhanced reflection from an isosceles 90° prism, if illuminated from the base. The second is responsible for the peaks in the total scattering and absorption cross-sections (ACSs) at the natural-mode frequencies. The numerical analysis is performed by solving the well-conditioned Muller-type boundary integral equation (IE) discretized using an algorithm with controlled accuracy.
      Keywords
      Dielectric prism
      Muller integral equation (IE)
      Radar cross-section (RCS)
      Boundary integral equations
      Cylinders (shapes)
      Dielectric devices
      Geometrical optics
      Integral equations
      Prisms
      Resonance
      Scattering
      Dielectric cylinder
      Dielectric prisms
      Electromagnetic behavior
      Enhanced reflections
      Natural resonance
      Total scattering
      Triangular cross-sections
      Radar cross section
      Permalink
      http://hdl.handle.net/11693/22048
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/TAP.2015.2404338
      Collections
      • Communications and Spectrum Management Research Center (ISYAM) 22
      • Department of Electrical and Electronics Engineering 3524
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