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Monte Carlo simulation of an optical coherence tomography signal in homogeneous turbid media

Yao, Gang and Wang, Lihong V. (1999) Monte Carlo simulation of an optical coherence tomography signal in homogeneous turbid media. Physics in Medicine and Biology, 44 (9). pp. 2307-2320. ISSN 0031-9155. doi:10.1088/0031-9155/44/9/316. https://resolver.caltech.edu/CaltechAUTHORS:20170308-135750465

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Abstract

The Monte Carlo technique with angle biasing is used to simulate the optical coherence tomography (OCT) signal from homogeneous turbid media. The OCT signal is divided into two categories: one is from a target imaging layer in the medium (Class I); the other is from the rest of the medium (Class II). These two classes of signal are very different in their spatial distributions, angular distributions and the numbers of experienced scattering events. Multiply scattered light contributes to the Class I signal as well as the Class II signal. The average number of scattering events increases linearly with the probing depth. The Class II signal decays much more slowly than the Class I signal whose decay constant is close to the total attenuation coefficient of the turbid medium. The effect of the optical properties of the medium on the Class I signal decay is studied.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1088/0031-9155/44/9/316DOIArticle
http://iopscience.iop.org/article/10.1088/0031-9155/44/9/316/metaPublisherArticle
ORCID:
AuthorORCID
Wang, Lihong V.0000-0001-9783-4383
Additional Information:© 1999 IOP Publishing Ltd. Received 12 February 1999, in final form 8 July 1999. This project was sponsored in part by the National Institutes of Health grants R29 CA68562 and R01 CA71980 and by the National Science Foundation grant BES-9734491.
Funders:
Funding AgencyGrant Number
NIHR29 CA68562
NIHR01 CA71980
NSFBES-9734491
Issue or Number:9
DOI:10.1088/0031-9155/44/9/316
Record Number:CaltechAUTHORS:20170308-135750465
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170308-135750465
Official Citation:Gang Yao and Lihong V Wang 1999 Phys. Med. Biol. 44 2307
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:74916
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:08 Mar 2017 22:05
Last Modified:15 Nov 2021 16:29

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