Manipulation of backscattering from a dielectric cylinder of triangular cross-section using the interplay of go-like ray effects and resonances
Sukharevsky, Ilya O.
Nosich, A. I.
IEEE Transactions on Antennas and Propagation
Institute of Electrical and Electronics Engineers
2162 - 2169
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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.
Muller integral equation (IE)
Radar cross-section (RCS)
Boundary integral equations
Radar cross section
Published Version (Please cite this version)http://dx.doi.org/10.1109/TAP.2015.2404338
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