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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 3, Iss. 4 — Apr. 23, 2008

Assessment of the mean and variance of the random regular transmittance through a dispersion of large cylinders using numerical simulations

Staffan Rydefalk  »View Author Affiliations


Applied Optics, Vol. 47, Issue 7, pp. 993-1001 (2008)
http://dx.doi.org/10.1364/AO.47.000993


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Abstract

In two previous papers [ J. Opt. Soc. Am. A 15, 1698 (1998); J. Opt. Soc. Am. A 16, 2737 (1999)] the theory of fluctuations in the regular transmittance Τ through a flowing dispersion of large slender cylindrical particles was presented. The theory covers, among other things, expressions for the expected value μ Τ and the variance σ Τ 2 of Τ in the two extreme cases when the cylinders are much shorter or much longer than the diameter of the optical beam used. Intermediate lengths were not treated. Numerical simulation is used to demonstrate the random behavior of Τ for intermediate cylinder lengths. The simulation results are consistent with the theory and provide a reliable estimate of the measurements produced by this analysis process. The result of the simulation is summarized as a fitted Bézier function model. The advantage of the simulation lies primarily in estimating measurement errors caused by the presence of intermediate length particles in measurement applications.

© 2008 Optical Society of America

OCIS Codes
(120.7000) Instrumentation, measurement, and metrology : Transmission
(290.7050) Scattering : Turbid media

ToC Category:
Scattering

History
Original Manuscript: November 21, 2007
Manuscript Accepted: December 14, 2007
Published: February 29, 2008

Virtual Issues
Vol. 3, Iss. 4 Virtual Journal for Biomedical Optics

Citation
Staffan Rydefalk, "Assessment of the mean and variance of the random regular transmittance through a dispersion of large cylinders using numerical simulations," Appl. Opt. 47, 993-1001 (2008)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-47-7-993

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