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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

  • Editor: Franco Gori
  • Vol. 31, Iss. 1 — Jan. 1, 2014
  • pp: 26–34

Electromagnetic scattering by a circular cylinder buried below a slightly rough Gaussian surface

Muhammad Arshad Fiaz, Fabrizio Frezza, Cristina Ponti, and Giuseppe Schettini  »View Author Affiliations


JOSA A, Vol. 31, Issue 1, pp. 26-34 (2014)
http://dx.doi.org/10.1364/JOSAA.31.000026


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Abstract

A two-dimensional beam is scattered by a cylinder buried below a slightly rough surface. The cylindrical wave approach is applied, i.e., cylindrical waves are employed as basis functions of the fields scattered by the cylinder. Moreover, a spectral representation of both the incident field and the cylindrical waves is used. Rough surface deviation is coped with by the first-order small perturbation method. Therefore, to a zeroth-order solution relevant to scattering in the case of a flat surface, a first-order approximation is superimposed. The theoretical approach has been implemented for a periodic surface with Gaussian roughness spectrum.

© 2013 Optical Society of America

OCIS Codes
(290.0290) Scattering : Scattering
(290.5880) Scattering : Scattering, rough surfaces
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(290.5825) Scattering : Scattering theory

ToC Category:
Scattering

History
Original Manuscript: September 5, 2013
Revised Manuscript: November 1, 2013
Manuscript Accepted: November 2, 2013
Published: December 4, 2013

Citation
Muhammad Arshad Fiaz, Fabrizio Frezza, Cristina Ponti, and Giuseppe Schettini, "Electromagnetic scattering by a circular cylinder buried below a slightly rough Gaussian surface," J. Opt. Soc. Am. A 31, 26-34 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-1-26

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