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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: Stephen A. Burns
  • Vol. 24, Iss. 4 — Apr. 1, 2007
  • pp: 1097–1102

Complex coordinate implementation in the curvilinear coordinate method: application to plane-wave diffraction by nonperiodic rough surfaces

Kofi Edee, Gérard Granet, and Jean-Píerre Plumey  »View Author Affiliations


JOSA A, Vol. 24, Issue 4, pp. 1097-1102 (2007)
http://dx.doi.org/10.1364/JOSAA.24.001097


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Abstract

We investigate the electromagnetic modeling of plane-wave diffraction by nonperiodic surfaces by using the curvilinear coordinate method (CCM). This method is often used with a Fourier basis expansion, which results in the periodization of both the geometry and the electromagnetic field. We write the CCM in a complex coordinate system in order to introduce the perfectly matched layer concept in a simple and efficient way. The results, presented for a perfectly conducting surface, show the efficiency of the model.

© 2007 Optical Society of America

OCIS Codes
(050.1960) Diffraction and gratings : Diffraction theory
(240.5770) Optics at surfaces : Roughness
(290.5880) Scattering : Scattering, rough surfaces

ToC Category:
Diffraction and Gratings

History
Original Manuscript: May 26, 2006
Revised Manuscript: October 12, 2006
Manuscript Accepted: October 18, 2006
Published: March 14, 2007

Citation
Kofi Edee, Gérard Granet, and Jean-Píerre Plumey, "Complex coordinate implementation in the curvilinear coordinate method: application to plane-wave diffraction by nonperiodic rough surfaces," J. Opt. Soc. Am. A 24, 1097-1102 (2007)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-24-4-1097

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