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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 13 — Jun. 18, 2012
  • pp: 13692–13701

Estimation of light penetration depth in turbid media using laser speckles

Igor S. Sidorov, Serguei V. Miridonov, Ervin Nippolainen, and Alexei A. Kamshilin  »View Author Affiliations

Optics Express, Vol. 20, Issue 13, pp. 13692-13701 (2012)

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We present novel experimental method for estimation of the light penetration depth (LPD) in turbid media based on the analysis of the speckle pattern structure. Under the certain illumination conditions this structure is strongly dependent on the penetration depth. Presented theoretical model based on the Bragg diffraction from the thick holograms allows LPD estimation if only one parameter of the material, namely refractive index, of the material is known. Feasibility of the method was checked experimentally. Experimental results obtained for variety of the materials are in good agreement with the theoretical assumptions. It was shown that qualitative LPD comparison does not require knowledge of the material properties.

© 2012 OSA

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(290.1350) Scattering : Backscattering
(290.7050) Scattering : Turbid media

ToC Category:

Original Manuscript: April 12, 2012
Revised Manuscript: May 23, 2012
Manuscript Accepted: May 28, 2012
Published: June 4, 2012

Virtual Issues
Vol. 7, Iss. 8 Virtual Journal for Biomedical Optics

Igor S. Sidorov, Serguei V. Miridonov, Ervin Nippolainen, and Alexei A. Kamshilin, "Estimation of light penetration depth in turbid media using laser speckles," Opt. Express 20, 13692-13701 (2012)

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