Monte Carlo simulation of an optical coherence Doppler tomograph signal: the effect of the concentration of particles in a flow on the reconstructed velocity profile

Model signals of an optical coherence Doppler tomograph (OCDT) are obtained by the Monte Carlo method from a flow of a light-scattering suspension of lipid vesicles (intralipid) at concentrations from 0.7% to 1.5% with an a priori specified parabolic velocity profile. The velocity profile parameters...

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Bibliographic Details
Published in:Quantum electronics (Woodbury, N.Y.) N.Y.), 2005-02, Vol.35 (2), p.135-139, Article 135
Main Authors: Bykov, A V, Kirillin, M Yu, Priezzhev, A V
Format: Article
Language:English
Subjects:
BOSONS
CALCULATION METHODS
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COHERENT RADIATION
COMPUTERIZED SIMULATION
DIAGNOSTIC TECHNIQUES
DISPERSIONS
DOPPLER EFFECT
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
LIGHT SCATTERING
LIPIDS
MASSLESS PARTICLES
MONTE CARLO METHOD
ORGANIC COMPOUNDS
PARTICLES
PHOTONS
RADIATIONS
SCATTERING
SIGNALS
SIMULATION
SUSPENSIONS
TOMOGRAPHY
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Summary:Model signals of an optical coherence Doppler tomograph (OCDT) are obtained by the Monte Carlo method from a flow of a light-scattering suspension of lipid vesicles (intralipid) at concentrations from 0.7% to 1.5% with an a priori specified parabolic velocity profile. The velocity profile parameters reconstructed from the OCDT signal and scattering orders of the photons contributing to the signal are studied as functions of the suspension concentration. It is shown that the maximum of the reconstructed velocity profile at high concentrations shifts with respect to the symmetry axis of the flow and its value decreases due to a greater contribution from multiply scattered photons. (papers devoted to the 250th anniversary of the moscow state university)
ISSN:1063-7818
1468-4799
DOI:10.1070/QE2005v035n02ABEH003337