OSA's Digital Library

Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 6, Iss. 11 — May. 22, 2000
  • pp: 202–212

Transparency effects on powder speckle decorrelation

David. L. Death, John. E. Eberhardt, and Craig. A. Rogers  »View Author Affiliations


Optics Express, Vol. 6, Issue 11, pp. 202-212 (2000)
http://dx.doi.org/10.1364/OE.6.000202


View Full Text Article

Enhanced HTML    Acrobat PDF (187 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations

Abstract

Laser speckle decorrelation has previously been applied to measure the mean powder size of bulk powder beds and the roughness of porous rocks. The angular decorrelation rate of laser speckle from bulk powder beds correlates strongly with the mean powder size. However it was found that the angular decorrelation rates of transparent powders were much higher than those of opaque or dyed powders of the same size distribution. The accuracy of size measurements could be severely compromised if transparency effects were not compensated. Monte Carlo modelling of remitted photon path lengths in a powder bed suggests and experimental data supports that diffuse reflectance data may be used to correct for transparency effects on angular decorrelation rate data.

© Optical Society of America

OCIS Codes
(030.6140) Coherence and statistical optics : Speckle
(120.5820) Instrumentation, measurement, and metrology : Scattering measurements
(120.6150) Instrumentation, measurement, and metrology : Speckle imaging
(290.5850) Scattering : Scattering, particles
(350.4990) Other areas of optics : Particles

ToC Category:
Research Papers

History
Original Manuscript: April 17, 2000
Published: May 22, 2000

Citation
David Death, John Eberhardt, and Craig Rogers, "Transparency effects on powder speckle decorrelation," Opt. Express 6, 202-212 (2000)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-6-11-202


Sort:  Journal  |  Reset  

References

  1. D. L�ger, E. Mathieu and J.C. Perrin, "Optical surface roughness determination using speckle correlation technique," Appl. Opt., 14, 4, 872-877 (1975). [CrossRef] [PubMed]
  2. D. L�ger and J.C. Perrin, "Real-time measurement of surface roughness by correlation of speckle patterns," J. Opt. Soc. Am., 66, 11, 1210-1217, (1976). [CrossRef]
  3. H. Nitta and T. Asakura, "Method for measuring mean particle size of the bulk powder using speckle patterns," Appl. Opt., 30, 33, 4854-4958 (1991). [CrossRef] [PubMed]
  4. N.A. Russo and E.E. Sicre, "Real time measurement of surface roughness through Young's fringes modulated speckle," Appl. Opt., 31, 22, 4334-4336 (1992). [CrossRef] [PubMed]
  5. M. Lehman, J.A. Pomarico and R.D. Torroba, "Digital speckle pattern interferometry applied to a surface roughness study," Opt. Eng., 34, 4, 1148-1152 (1995). [CrossRef]
  6. N.A. Russo, N.A. Bolognini, E.E. Sicre and M. Garavaglia, "Surface roughness measurement through speckle method," Int. J. Optoelectron., 5, 5, 389-395 (1990).
  7. M.A. Rebollo, E.N. Hogert, J. Albano, C.A. Raffo and N.G. Gagglio, "Correlation between roughness and porosity in rocks," Opt. Laser Tech., 28, 1, 21-23 (1996). [CrossRef]
  8. Spectralon Reflectance Material from LabSphere, Inc. North Sutton, NH, USA http://www.labsphere.com/
  9. Garnet from Barton Mines Company, Lake George, NY, USA http://www.barton.com/
  10. Ballotini� impact beads from Potters Industries Inc. Valley Forge, PA, USA http:// www.pottersbeads.com/
  11. Labtechnics laboratory test sieves. (Conforming to Australian Standard AS1142 and British Standard BS410), sizes 20, 25, 32, 38, 45, 53, 63, 75, 90, 106, 125, 150, 180, 212, 250 �m.
  12. G. Kort�m , Reflectance Spectroscopy, (Springer-Verlag, New York, 1969). [CrossRef]
  13. M. Ohl�dal, "Comparison of the two dimensional Fraunhofer and the two-dimensional Fresnel approximations in the analysis of surface roughness by angle speckle correlation. I. Theory," J. Mod. Opt., 38, 11, 2115-2135, (1991). [CrossRef]
  14. M. Ohl�dal, "Comparison of the two dimensional Fraunhofer and the two-dimensional Fresnel approximations in the analysis of surface roughness by angle speckle correlation. II. Experimental results," J. Mod. Opt., 42, 10, 2081-2094, (1995). [CrossRef]
  15. F.P. Quinti�n, M.A. Rebollo and N.G. Gaggioli, "Diffusion of light transmitted from rough surfaces", J. Mod. Opt., 44, 3, 447-460, (1997). [CrossRef]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited