Journal
PROGRESS IN ELECTROMAGNETICS RESEARCH-PIER
Volume 72, Issue -, Pages 325-337Publisher
E M W PUBLISHING
DOI: 10.2528/PIER07031206
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The reflectivity of a Spherical Lens Reflector is investigated. The scattering of an electromagnetic plane wave by a Spherical Lens Reflector is treated as a classical boundary value problem for Maxwell's equations. No restrictions are imposed on the electrical size of reflectors and the angular size of the metallic spherical cap. The competitiveness of the Spherical Lens Reflector against the Luneberg Lens Reflector is demonstrated. It has been found that Spherical Lens Reflectors with relative dielectric constant in the range 3.4 <= epsilon(r) <= 3.7 possess better spectral performance than 3- or 5-layer Luneberg Lens Reflectors in a wide frequency range.
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