Diffraction of an evanscent plane wave by a half plane |
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Authors: | G.A. Deschamps S.W. Lee E. Gowan T. Fontana |
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Affiliation: | Electromagnetics Laboratory, Department of Electrical Engineering University of Illinois at Urbana-Champaign, Urbana, IL, U.S.A. |
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Abstract: | A proper analytic continuation of Sommerfeld's solution is shown to provide the solution to the problem of diffraction of an evanescent plane wave. This is done by a correct extension of a parameter (detour parameter) from real to complex values. Some peculiarities of this solution are discussed. A few representative three-dimensional graphs show the field magnitude in the vicinity of the edge. |
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