Monte Carlo study of coherent diffuse photon transport in a homogeneous turbid medium: a degree-of-coherence based approach
Applied Optics, Vol. 47, Issue 3, pp. 336-345 (2008)
http://dx.doi.org/10.1364/AO.47.000336
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Abstract
We employ a Monte Carlo (MC) algorithm to investigate the decoherence of diffuse photons in turbid media. For the MC simulation of coherent photons, the degree of coherence, defined as a random variable for a photon packet, is associated with a decoherence function that depends on the scattering angle and is updated as a photon interacts with a medium via scattering. Using a slab model, the effects of medium scattering properties were studied, which reveals that a linear random variable model for the degree of coherence is in better agreement with experimental results than a sinusoidal model and that decoherence is quick for the initial few scattering events followed by a slow and gradual decrease of coherence.
© 2008 Optical Society of America
OCIS Codes
(110.4980) Imaging systems : Partial coherence in imaging
(170.1650) Medical optics and biotechnology : Coherence imaging
(290.1990) Scattering : Diffusion
(290.7050) Scattering : Turbid media
ToC Category:
Medical Optics and Biotechnology
History
Original Manuscript: June 21, 2007
Revised Manuscript: November 8, 2007
Manuscript Accepted: November 16, 2007
Published: January 14, 2008
Virtual Issues
Vol. 3, Iss. 2 Virtual Journal for Biomedical Optics
Citation
Seyoung Moon, Donghyun Kim, and Eunji Sim, "Monte Carlo study of coherent diffuse photon transport in a homogeneous turbid medium: a degree-of-coherence based approach," Appl. Opt. 47, 336-345 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-3-336
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