Abstract

We report on measurements in transmission of the speckle produced by scattering liquid media: diluted milk and water solutio ns of polystyrene-microspheres of different diameters. The speckle size is affected not only by scattering parameters such as the optical thickness, but also by the dimensions of the scatters. From the speckle measurement, we propose a method to differentiate media. Moreover, a calculation of the transmitted light profile by Monte Carlo simulation allowed us to get a better insight on the speckle size evolution versus scattering.

© 2004 Optical Society of America

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  1. J.W. Goodman, �??Statistical Properties of Laser Speckle Patterns,�?? in Laser speckle and related phenomena, Vol.9 in series Topics in Applied Physics, J.C. Dainty, Ed., (Springer-Verlag, Berlin, Heidelberg, New York, Tokyo, 1984).
  2. J.H. Churnside and H.T. Yura, �??Velocity measurement using laser speckle statistics,�?? Appl. Opt. 20, 3539-3541 (1981).
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  4. Y.Aizu, T.Asakura, �??Bio-speckle phenomena and their application to the evaluation of blood flow,�?? Opt. Las. Tech. 23, 205-219 (1991).
  5. I.V. Fedosov and V.V. Tuchin, �??The use of dynamic speckle field space time correlation function estimates for the direction and velocity determination of blood flow,�?? Proc. of SPIE 4434, 192-196 (2001).
  6. J.D. Briers, G. Richards and X.W. He, �??Capillary blood flow monitoring using laser speckle contrast analysis (LASCA),�?? J. Biomed. Opt. 4, 164-175 (1999).
    [CrossRef]
  7. D.A. Zimnyakov, J.D. Briers, V.V. Tuchin, �??Speckle technologies for monitoring and imaging of tissues and tissuelike phantoms,�?? Chap.18 in Handbook of biomedical diagnostics, Valery V. Tuchin, Ed. (SPIE press, Bellingham 2002).
  8. P. Lehmann, �??Surface-roughness measurement based on the intensity correlation function of scattered light under speckle-pattern illumination,�?? Appl. Opt. 38, 1144-1152 (1999).
  9. G. Da Costa and J. Ferrari, �??Anisotropic speckle patterns in the light scattered by rough cylindrical surfaces,�?? Appl. Opt. 36, 5231-5237 (1997).
  10. R. Berlasso, F. Perez Quintian, M.A. Rebollo, C.A. Raffo and N.G. Gaggioli, �??Study of speckle size of light scattered from cylindrical rough surfaces,�?? Appl. Opt. 39, 5811-5819 (2000).
  11. A. Sadhwani, K.T. Schomaker, G.J. Tearney and N.S. Nishioka, �??Determination of Teflon thickness with laser speckle. I. Potential for burn depth diagnosis,�?? Appl. Opt. 35, 5727-5735 (1996).
  12. M. Giglio, M. Carpineti, A. Vailati and D. Brogioli, �??Near-field intensity correlation of scattered light,�?? Appl. Opt. 40, 4036-4040 (2001).
  13. N.L. Swanson, B.D. Billard, and T.L. Gennaro, �??Limits of optical transmission measurements with application to particle sizing techniques,�?? Appl. Opt. 38, 5887-5893 (1999).
  14. H.C. Van de Hulst, Light scattering by small particles (New York, Dover, 1981).
  15. G. Yoon, S.A. Prahl and A.J. Welch, �??Accuracies of the diffusion approximation and its similarity relations for laser irradiated biological media,�?? Appl. Opt. 28, 2250-2255 (1989).
  16. Terri L. Alexander, James E. Harvey, and Arthur R. Weeks, �??Average speckle size as a function of intensity threshold level: comparison of experimental measurements with theory,�?? Appl. Opt. 33, 8240-8250 (1994).
  17. C.A. Thompson, K.J. Webb, and A.M. Weiner, �??Imaging in scattering media by use of laser speckle,�?? J. Opt. Soc. Am. A 14, 2269-2277 (1997).

Appl. Opt.

J.H. Churnside and H.T. Yura, �??Velocity measurement using laser speckle statistics,�?? Appl. Opt. 20, 3539-3541 (1981).

P. Lehmann, �??Surface-roughness measurement based on the intensity correlation function of scattered light under speckle-pattern illumination,�?? Appl. Opt. 38, 1144-1152 (1999).

G. Da Costa and J. Ferrari, �??Anisotropic speckle patterns in the light scattered by rough cylindrical surfaces,�?? Appl. Opt. 36, 5231-5237 (1997).

R. Berlasso, F. Perez Quintian, M.A. Rebollo, C.A. Raffo and N.G. Gaggioli, �??Study of speckle size of light scattered from cylindrical rough surfaces,�?? Appl. Opt. 39, 5811-5819 (2000).

A. Sadhwani, K.T. Schomaker, G.J. Tearney and N.S. Nishioka, �??Determination of Teflon thickness with laser speckle. I. Potential for burn depth diagnosis,�?? Appl. Opt. 35, 5727-5735 (1996).

M. Giglio, M. Carpineti, A. Vailati and D. Brogioli, �??Near-field intensity correlation of scattered light,�?? Appl. Opt. 40, 4036-4040 (2001).

N.L. Swanson, B.D. Billard, and T.L. Gennaro, �??Limits of optical transmission measurements with application to particle sizing techniques,�?? Appl. Opt. 38, 5887-5893 (1999).

G. Yoon, S.A. Prahl and A.J. Welch, �??Accuracies of the diffusion approximation and its similarity relations for laser irradiated biological media,�?? Appl. Opt. 28, 2250-2255 (1989).

Terri L. Alexander, James E. Harvey, and Arthur R. Weeks, �??Average speckle size as a function of intensity threshold level: comparison of experimental measurements with theory,�?? Appl. Opt. 33, 8240-8250 (1994).

J. Biomed. Opt.

J.D. Briers, G. Richards and X.W. He, �??Capillary blood flow monitoring using laser speckle contrast analysis (LASCA),�?? J. Biomed. Opt. 4, 164-175 (1999).
[CrossRef]

J. Opt. Soc. Am. A

Opt. Las. Tech.

Y.Aizu, T.Asakura, �??Bio-speckle phenomena and their application to the evaluation of blood flow,�?? Opt. Las. Tech. 23, 205-219 (1991).

Proc. of SPIE

I.V. Fedosov and V.V. Tuchin, �??The use of dynamic speckle field space time correlation function estimates for the direction and velocity determination of blood flow,�?? Proc. of SPIE 4434, 192-196 (2001).

Topics in Applied Physics

J.W. Goodman, �??Statistical Properties of Laser Speckle Patterns,�?? in Laser speckle and related phenomena, Vol.9 in series Topics in Applied Physics, J.C. Dainty, Ed., (Springer-Verlag, Berlin, Heidelberg, New York, Tokyo, 1984).

Other

D.A. Zimnyakov, J.D. Briers, V.V. Tuchin, �??Speckle technologies for monitoring and imaging of tissues and tissuelike phantoms,�?? Chap.18 in Handbook of biomedical diagnostics, Valery V. Tuchin, Ed. (SPIE press, Bellingham 2002).

H.C. Van de Hulst, Light scattering by small particles (New York, Dover, 1981).

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