Plane wave diffraction by an impedance wedge in an anisotropic plasma

Bobrovnikov, M. S.; Fisanov, V. V.

doi:10.1007/bf00834600

Cited by 6 publications

(2 citation statements)

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“…(28) was first devised in Bobrovnikov and Fisanov (1972) to handle the problem of diffraction by wedges in gyroelectric media. Downloaded by [North Dakota State University] at 15:37 18 February 2015…”

Section: Exact Spectral Solutionsmentioning

confidence: 99%

“…The exact spectral solutions are then formulated in terms of the special function ˆ, which was originally introduced to study the electromagnetic scattering by a wedge embedded in a gyroelectric medium (Bobrovnikov & Fisanov, 1972) and, more recently, has been shown to be also applicable in the solution of the scattering by edges in non-axial tensor impedance surfaces (Lyalinov & Zhu, 2003;Manara et al, 2004b). It is noted that two of these solutions have been proposed in a previous communication (Vallecchi, 2005).…”

Section: Introductionmentioning

confidence: 98%

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Oblique Incidence Diffraction by Edges in Anisotropic Impedance Surfaces: A Collection of Exact Solutions for Specific Non-Axial Tensor Boundary Conditions

Vallecchi

2013

Electromagnetics

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The electromagnetic scattering of an arbitrarily polarized plane wave obliquely impinging on the edge of anisotropic impedance half-planes and planar junctions featuring inclined anisotropy axes is analyzed. Exact spectral representations for the total field are derived when the wedge faces are characterized by a set of specific homogeneous anisotropic impedance boundary conditions exhibiting an impedance matrix with no vanishing diagonal terms, as implied by the arbitrary orientation of the principal anisotropy axes with respect to the edge. The proposed solutions, which extend previous formulations valid for direction of the anisotropy axes either parallel or perpendicular to the edge, are derived by resorting to the Sommerfeld-Maliuzhinets method and exploiting the properties of the special function ˆ, originally introduced in the study of the scattering from wedges in gyroelectric media. Explicit uniform asymptotic expressions for the fields are provided along with samples of numerical results proving their validity.

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Section: Exact Spectral Solutionsmentioning

confidence: 99%