Abstract
The scattering of a plane electromagnetic wave by a dielectric lens which behaves like a metal reflector is considered. At short wavelengths, the leading term of the backscattered field cannot be determined entirely through simple geometrical optics considerations; instead, it is obtained by means of a modified Watson transformation of the exact solution. The difficulties that arise in applying this technique to other lenses are discussed.
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References
Uslenghi, P. L. E., IEEE Trans. AP-17 (1969) 235.
Magnus, W., F. Oberhettinger, and R. P. Soni, Formulas and Theorems for the Special Functions of Mathematical Physics, Springer, New York 1966.
Scott, J. M. C., On Asymptotic Series for the Radar Scattering Cross Section of a Spherical Target, Report T/M 30, Atomic Energy Research Establishment, Harwell, Berks., England (1949).
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This research was sponsored by the U.S. Air Force Cambridge Research Laboratories under Contract F 19628-68-C-0071.
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Uslenghi, P.L.E., Weston, V.H. High-frequency scattering from a metal-like dielectric lens. Appl. Sci. Res. 23, 147–163 (1971). https://doi.org/10.1007/BF00413193
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DOI: https://doi.org/10.1007/BF00413193