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Proceedings Paper

Photon trajectory in strongly scattering media transilluminated by the sine-modulated laser radiation
Author(s): Vladimir V. Lyubimov; Olga V. Kravtsenyuk; V. A. Skotnikov; Vladimir B. Volkonski
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Paper Abstract

Results of experimental study of the scattering object shape influence on the photon average trajectories (AT) are presented. The systematic experimental study of the AT inside the scattering bodies of different forms (semi- infinite medium, flat layer, rectangular sector, and cylinder) was carried out. The staking of the AT from a source to detect was carried out with the use of the standard inhomogeneity (SI): a point absolute absorber was embedded inside the object, and the point was searched where the maximal decrease of the detector signal was observed. Also this decreasing was explored as a function of the SI displacement from the AT. As it was predicted in our previous theoretical study, the simple approximation for the AT shape could be done as a three-segment polygonal line that is normal to the body surface at the initial and thermal trajectory points. The approximation error is much less then the width of the area where the presence of the SI is detectable. The obtained results comprise the base for further development of the fast computer algorithms for the real-time multi-aspect 3D optical imaging of strongly scattering objects.

Paper Details

Date Published: 30 December 1998
PDF: 7 pages
Proc. SPIE 3566, Photon Propagation in Tissues IV, (30 December 1998); doi: 10.1117/12.334378
Show Author Affiliations
Vladimir V. Lyubimov, S.I. Vavilov State Optical Institute (Russia)
Olga V. Kravtsenyuk, S.I. Vavilov State Optical Institute (Russia)
V. A. Skotnikov, S.I. Vavilov State Optical Institute (Russia)
Vladimir B. Volkonski, S.I. Vavilov State Optical Institute (Russia)

Published in SPIE Proceedings Vol. 3566:
Photon Propagation in Tissues IV
David A. Benaron; Britton Chance; Marco Ferrari; Matthias Kohl-Bareis, Editor(s)

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