Radar cross-section studies of Spherical Lens Reflectors

S. S. Vinogradov*, P. D. Smith, J. S. Kot, N. Nikolic

*Corresponding author for this work

    Research output: Contribution to journalArticle

    21 Citations (Scopus)

    Abstract

    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 ≤ εr ≤ 3.7 possess better spectral performance than 3- or 5-layer Luneberg Lens Reflectors in a wide frequency range.

    Original languageEnglish
    Pages (from-to)325-337
    Number of pages13
    JournalProgress in Electromagnetics Research
    Volume72
    DOIs
    Publication statusPublished - 2007

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