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      Integral-equation study of ray effects and natural-mode resonances in a 2-D dielectric prism

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      Author
      Sukharevsky, İlya O.
      Altıntaş, Ayhan
      Date
      2015
      Source Title
      Proceedings of the 9th European Conference on Antennas and Propagation, EuCAP 2015
      Publisher
      IEEE
      Language
      English
      Type
      Conference Paper
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      Abstract
      We analyze the interplay of two different types of electromagnetic behavior demonstrated by a 2-D dielectric prism: Geometrical Optics and resonance. As it is shown, the first is responsible, for instance, for enhanced reflection from an isosceles 90-degree prism of arbitrary epsilon and size, if illuminated from the base. The second is responsible for the peaks in the total scattering and absorption cross-sections (RCS) at the natural-mode frequencies. The numerical model is based on Nystrom discretization of Muller-type integral equations that provides guarantied convergence.
      Keywords
      Boundary integral equations
      Dielectric cylinder
      Natural-mode resonances
      Radar cross-section
      Dielectric devices
      Gears
      Geometrical optics
      Prisms
      Resonance
      Dielectric prisms
      Discretizations
      Electromagnetic behavior
      Enhanced reflections
      Natural modes
      Ray effects
      Total scattering
      Integral equations
      Permalink
      http://hdl.handle.net/11693/26952
      Collections
      • Communications and Spectrum Management Research Center (ISYAM) 22
      • Department of Electrical and Electronics Engineering 3524
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