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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Editor: Stephen A. Burns
  • Vol. 25, Iss. 3 — Mar. 1, 2008
  • pp: 718–724

Numerical analysis of a path-length-resolved spectrum of time-varying scattered light field

Katsuhiro Ishii, Toshiaki Iwai, and Shinichi Nakamura  »View Author Affiliations

JOSA A, Vol. 25, Issue 3, pp. 718-724 (2008)

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The path-length-resolved power spectrum of a time-varying scattered light field measured by a time-of-flight method or low-coherence interferometry is evaluated by a new numerical simulation algorithm. The path-length-resolved power spectrum is theoretically derived by combining diffusing-wave-spectroscopy theory and radiative-transfer theory. The proposed algorithm, using the Monte Carlo method, is used to determine the scattering configurations and numerically calculate the power spectrum. The path-length distribution, path-length-dependent scattering order distribution, and path-length-resolved power spectrum are demonstrated numerically over all scattering orders. The resultant power spectra agree with experimental results measured by the low-coherence-dynamic-light-scattering method.

© 2008 Optical Society of America

OCIS Codes
(290.1350) Scattering : Backscattering
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles
(290.7050) Scattering : Turbid media
(300.6250) Spectroscopy : Spectroscopy, condensed matter

ToC Category:

Original Manuscript: July 9, 2007
Revised Manuscript: December 17, 2007
Manuscript Accepted: December 20, 2007
Published: February 20, 2008

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

Katsuhiro Ishii, Toshiaki Iwai, and Shinichi Nakamura, "Numerical analysis of a path-length-resolved spectrum of time-varying scattered light field," J. Opt. Soc. Am. A 25, 718-724 (2008)

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