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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 8 — Mar. 10, 2010
  • pp: 1335–1340

Far-field angular distribution of the mean scattered intensity from strong diffusers by means of a near-field intensity pattern

Natalia Álvarez and Fernando Perez-Quintián  »View Author Affiliations

Applied Optics, Vol. 49, Issue 8, pp. 1335-1340 (2010)

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The speckle grain close to a diffuser medium carries information about the angles at which light is scattered. We propose the extension of a technique that allows obtaining the angular distribution of the scattered intensity in the far-field speckle pattern from the near-field speckle pattern produced by strong diffusers (whose roughness is greater than the illuminating wavelength). To illustrate this technique we applied it to the light scattered from ground glass diffusers. The experimental results are compared with those obtained by direct measurement of the angular distribution of the mean scattered intensity in the far field showing good agreement with each other. The advantages over the classical far-field methods are outlined.

© 2010 Optical Society of America

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(240.5770) Optics at surfaces : Roughness
(290.5880) Scattering : Scattering, rough surfaces

ToC Category:

Original Manuscript: June 9, 2009
Revised Manuscript: November 10, 2009
Manuscript Accepted: January 4, 2010
Published: March 5, 2010

Natalia Álvarez and Fernando Perez-Quintián, "Far-field angular distribution of the mean scattered intensity from strong diffusers by means of a near-field intensity pattern," Appl. Opt. 49, 1335-1340 (2010)

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