Manipulation of Backscattering from a Dielectric Cylinder of Triangular Cross-Section Using the Interplay of GO-Like Ray Effects and Resonances
IEEE Transactions on Antennas and Propagation
Institute of Electrical and Electronics Engineers Inc.
2162 - 2169
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Please cite this item using this persistent URLhttp://hdl.handle.net/11693/22048
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. © 1963-2012 IEEE.
- Research Paper 7144
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