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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. 30, Iss. 8 — Aug. 1, 2013
  • pp: 1632–1639

Through-wall electromagnetic scattering by N conducting cylinders

Fabrizio Frezza, Lara Pajewski, Cristina Ponti, and Giuseppe Schettini  »View Author Affiliations


JOSA A, Vol. 30, Issue 8, pp. 1632-1639 (2013)
http://dx.doi.org/10.1364/JOSAA.30.001632


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Abstract

A spectral-domain analysis is presented for the scattering by perfectly conducting cylindrical objects behind a dielectric wall. The solution is developed with an analytical-numerical technique, based on the cylindrical wave approach. Suitable cylindrical functions and their spectral representations are introduced as basis functions for the scattered fields, to deal with their interaction with the planar interfaces bounding the wall. The numerical solution is given in TE and TM polarizations states, and in both near- and far-field zones. The model yields an accurate computation of direct scattering that can be useful for through-wall-imaging applications. A stack of three different dielectric media is considered in the theoretical model. In the numerical results, the upper medium, where the incident field is generated, is assumed to be filled by air, the central layer represents the wall, and the lower medium, which contains the scatterers, is air filled, too. Also general problems of scattering by buried objects can be simulated, being the cylinders buried in a medium of arbitrary permittivity, placed below a dielectric layer.

© 2013 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(290.4210) Scattering : Multiple scattering
(050.1755) Diffraction and gratings : Computational electromagnetic methods
(290.5825) Scattering : Scattering theory

ToC Category:
Scattering

History
Original Manuscript: May 9, 2013
Revised Manuscript: June 20, 2013
Manuscript Accepted: June 21, 2013
Published: July 23, 2013

Citation
Fabrizio Frezza, Lara Pajewski, Cristina Ponti, and Giuseppe Schettini, "Through-wall electromagnetic scattering by N conducting cylinders," J. Opt. Soc. Am. A 30, 1632-1639 (2013)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-30-8-1632

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