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Proceedings Paper

Diffusion of temporal field correlation with selected applications
Author(s): David A. Boas; Igor Victorovich Meglinski; L. Zemany; L. E. Campbell; Britton Chance; Arjun G. Yodh
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Paper Abstract

We consider the transport of the electric field temporal autocorrelation in heterogeneous, fluctuating turbid media. Experiments are performed in strongly scattering media with spatially separated static and dynamic components, and low resolution `dynamical' images of such media are obtained using autocorrelation measurements of the emerging speckle fields taken along the sample surface. Our analysis, based on a diffusion approximation to the field correlation transport equation, reveals that the field correlation scatters from macroscopic dynamic heterogeneities within turbid media. Demonstrations using heterogeneous samples containing particles undergoing Brownian motion and shear flow are described.

Paper Details

Date Published: 9 February 1996
PDF: 13 pages
Proc. SPIE 2732, CIS Selected Papers: Coherence-Domain Methods in Biomedical Optics, (9 February 1996); doi: 10.1117/12.231685
Show Author Affiliations
David A. Boas, Univ. of Pennsylvania (United States)
Igor Victorovich Meglinski, Univ. of Pennsylvania (USA) and Saratov State Univ. (Russia)
L. Zemany, Univ. of Pennsylvania (United States)
L. E. Campbell, Univ. of Pennsylvania (United States)
Britton Chance, Univ. of Pennsylvania (United States)
Arjun G. Yodh, Univ. of Pennsylvania (United States)

Published in SPIE Proceedings Vol. 2732:
CIS Selected Papers: Coherence-Domain Methods in Biomedical Optics
Valery V. Tuchin, Editor(s)

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