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Proceedings Paper

Analysis of different scattering orders contribution to the OCT signal from blood by means of Monte Carlo simulations
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Paper Abstract

Simulated OCT signals from plain blood samples of thicknesses from 0.05 to 1 mm were obtained implementing Monte Carlo technique. Contributions of least- and multiple scattering, diffusive and non-diffusive fractions to the parts of the signal before the rear border peak, to the peak and behind it were estimated. It was show that least scattering and non-diffusive component prevail in the signal at optical depths smaller than 0.2 and 0.3 mm correspondingly. At larger depths multiple scattering and diffuse component prevail in the signal what may limit localization and detection of scattering objects at these depths. The distributions of contributing to the signal photons over scattering orders were analyzed. It was shown, that these dependences exhibit two maxima related to the borders of the investigated layer due to high anisotropy of the medium.

Paper Details

Date Published: 7 October 2005
PDF: 7 pages
Proc. SPIE 5861, Optical Coherence Tomography and Coherence Techniques II, 586116 (7 October 2005); doi: 10.1117/12.633000
Show Author Affiliations
Mikhail Yu. Kirillin, M.V. Lomonosov Moscow State Univ. (Russia)
Univ. of Oulu (Finland)
Alexander V. Priezzhev, M.V. Lomonosov Moscow State Univ (Russia)
Risto Myllyla, Univ. of Oulu (Finland)

Published in SPIE Proceedings Vol. 5861:
Optical Coherence Tomography and Coherence Techniques II
Wolfgang Drexler, Editor(s)

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