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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. 28, Iss. 4 — Apr. 1, 2011
  • pp: 627–632

Plane-wave diffraction by an obtuse-angled dielectric wedge

G. Gennarelli and G. Riccio  »View Author Affiliations


JOSA A, Vol. 28, Issue 4, pp. 627-632 (2011)
http://dx.doi.org/10.1364/JOSAA.28.000627


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Abstract

Uniform high-frequency solutions in closed form are derived for the diffraction of a plane wave normally impacting on a penetrable wedge having an obtuse apex angle and arbitrary dielectric permittivity. The approach used here takes advantage of a physical optics approximation for the electric and magnetic equivalent surface currents in the scattering integrals related to the inner region of the wedge and the surrounding space. Numerical tests and comparisons with finite-difference time-domain results demonstrate the accuracy and effectiveness of the proposed solutions.

© 2011 Optical Society of America

OCIS Codes
(260.0260) Physical optics : Physical optics
(260.1960) Physical optics : Diffraction theory

ToC Category:
Physical Optics

History
Original Manuscript: December 20, 2010
Revised Manuscript: February 8, 2011
Manuscript Accepted: February 8, 2011
Published: March 23, 2011

Citation
G. Gennarelli and G. Riccio, "Plane-wave diffraction by an obtuse-angled dielectric wedge," J. Opt. Soc. Am. A 28, 627-632 (2011)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-28-4-627

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