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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. 19, Iss. 10 — Oct. 1, 2002
  • pp: 2043–2052

Experimental light-scattering measurements from large-scale composite randomly rough surfaces

Víctor A. Ruiz-Cortés and J. C. Dainty  »View Author Affiliations


JOSA A, Vol. 19, Issue 10, pp. 2043-2052 (2002)
http://dx.doi.org/10.1364/JOSAA.19.002043


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Abstract

We present experimental measurements of the angular distribution of light scattered from large-scale composite randomly rough surfaces (oceanlike surfaces) with different statistical parameters illuminated at small and large angles of incidence. The surfaces are composed of a small-scale roughness superimposed on a slowly (large-scale) varying surface. The large-scale surfaces are diamond-machined periodic surfaces made on aluminum substrates and have either a sinusoidal or a Stokes wave profile. The small-scale roughness is added with microlithographic techniques, and the surfaces are then gold coated. For a linearly polarized incident beam, it is found that the diffusely scattered light is strongly depolarized and that its pattern is rather different for each large-scale surface profile. Enhanced backscattering is also observed.

© 2002 Optical Society of America

OCIS Codes
(290.1350) Scattering : Backscattering
(290.5820) Scattering : Scattering measurements
(290.5880) Scattering : Scattering, rough surfaces

History
Original Manuscript: November 15, 2001
Revised Manuscript: May 8, 2002
Manuscript Accepted: May 20, 2002
Published: October 1, 2002

Citation
Víctor A. Ruiz-Cortés and J. C. Dainty, "Experimental light-scattering measurements from large-scale composite randomly rough surfaces," J. Opt. Soc. Am. A 19, 2043-2052 (2002)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-19-10-2043

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