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Spatial coherence of forward-scattered light in a turbid medium

Yang, Changhuei and An, Kyungwon and Perelman, Lev T. and Dasari, Ramachandra R. and Feld, Michael S. (1999) Spatial coherence of forward-scattered light in a turbid medium. Journal of the Optical Society of America A, 16 (4). pp. 866-871. ISSN 1084-7529. http://resolver.caltech.edu/CaltechAUTHORS:YANjosaa99

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Abstract

We study spatially coherent forward-scattered light propagating in a turbid medium of moderate optical depth (0-9 mean free paths). Coherent detection was achieved by using a tilted heterodyne geometry, which desensitizes coherent detection of the attenuated incident light. We show that the degree of spatial coherence is significantly higher for light scattered only once in comparison with that for multiply scattered light and that it approaches a small constant value for large numbers of scattering events.


Item Type:Article
Additional Information:© 1999 Optical Society of America Received June 1, 1998; revised manuscript received November 18, 1998; accepted November 25, 1998 The authors acknowledge valuable discussions with Jun Wu and Vadim Backman. This work was carried out at the MIT Laser Biomedical Research Center and was supported by National Institutes of Health grant P41-RR02594 and a grant from Hamamatsu Corporation.
Subject Keywords:Coherence; Turbid media; Multiple scattering; Heterodyne
Record Number:CaltechAUTHORS:YANjosaa99
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:YANjosaa99
Alternative URL:http://www.opticsinfobase.org/abstract.cfm?URI=josaa-16-4-866
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3341
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:31 May 2006
Last Modified:29 Aug 2014 17:27

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