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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 3 — Mar. 7, 2007

Monte Carlo study of pathlength distribution of polarized light in turbid media

Xinxin Guo, Michael F. G. Wood, and Alex Vitkin  »View Author Affiliations

Optics Express, Vol. 15, Issue 3, pp. 1348-1360 (2007)

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Photon pathlength distributions as a function of the number of scattering events in cylindrical turbid samples are studied using a polarization-sensitive Monte Carlo model with linearly polarized light input. Sample scattering causes extensive depolarization, yielding a photon field comprised of polarized and depolarized sub-populations. It is found that the pathlength of polarization-preserving photons is distributed within a defined spatial range with strong angular dependence. This pathlength, averaged over the range, is 2-3X smaller than the one averaged over the widely-spread range of all (polarized + depolarized) collected photons. It is also demonstrated that changes in optical properties of the media affect the pathlength distributions.

© 2007 Optical Society of America

OCIS Codes
(120.5410) Instrumentation, measurement, and metrology : Polarimetry
(170.5280) Medical optics and biotechnology : Photon migration
(170.7050) Medical optics and biotechnology : Turbid media
(290.4210) Scattering : Multiple scattering

ToC Category:

Original Manuscript: October 27, 2006
Revised Manuscript: January 16, 2007
Manuscript Accepted: January 17, 2007
Published: February 5, 2007

Virtual Issues
Vol. 2, Iss. 3 Virtual Journal for Biomedical Optics

Xinxin Guo, Michael F. G. Wood, and Alex Vitkin, "Monte Carlo study of pathlength distribution of polarized light in turbid media," Opt. Express 15, 1348-1360 (2007)

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