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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Vol. 8, Iss. 12 — Dec. 1, 1991
  • pp: 1986–1990

Plane-wave scattering by a conducting cylinder partially buried in a ground plane II: TE case

Tenneti C. Rao and Richard Barakat  »View Author Affiliations


JOSA A, Vol. 8, Issue 12, pp. 1986-1990 (1991)
http://dx.doi.org/10.1364/JOSAA.8.001986


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Abstract

The problem of plane-wave scattering by an infinitely long perfectly conducting circular cylinder that is partially buried in a perfectly conducting ground plane is studied by the method of images, for which the incident electric-field vector is assumed to be in a plane perpendicular to the axis of the cylinder (TE polarization). The incident field, the reflected field from the ground plane in the absence of the cylinder, and the scattered field from the cylinder and its image are expressed in terms of cylindrical vector wave functions. By imposing the boundary conditions on the surface of the cylinder, we obtain a set of two coupled infinite systems of equations for the even–and odd–mode expansion coefficients of the scattered field. We solve these equations numerically by truncating the infinite summations and using a subsequent Gaussian elimination procedure. The scattered power patterns in the far–field region are obtained, and their variations with the angle of incidence, height (or depth) above (or below) the ground plane, and the electrical radius are studied. Comparisons with the corresponding TM–case results are made.

© 1991 Optical Society of America

History
Original Manuscript: January 4, 1990
Revised Manuscript: April 11, 1991
Manuscript Accepted: June 7, 1991
Published: December 1, 1991

Citation
Tenneti C. Rao and Richard Barakat, "Plane-wave scattering by a conducting cylinder partially buried in a ground plane II: TE case," J. Opt. Soc. Am. A 8, 1986-1990 (1991)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-8-12-1986

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