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Proceedings Paper

Modeling of light propagation in dentin
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Paper Abstract

The knowledge of the scattering phase function, which describes the angular intensity distribution of the scattered light, is important for modeling the light propagation in turbid media. This is especially true for structured media, where light propagation is anisotropic, leading to direction-dependent reflected or transmitted intensity profiles. We investigated scattering by combining analytical solutions and finite difference time domain (FDTD) simulations of the Maxwell equations with two-axes goniometric experiments. Using polystyrene spheres and cylindrical phantoms the methods were successfully validated. The phase functions of dentin slabs were measured and it is shown that the scattering of dentin tubuli resembles cylinder scattering.

Paper Details

Date Published: 15 October 2003
PDF: 10 pages
Proc. SPIE 5138, Photon Migration and Diffuse-Light Imaging, (15 October 2003); doi: 10.1117/12.500732
Show Author Affiliations
Florian K. Forster, Institut fuer Lasertechnologien in der Medizin und Messtechnik an der Univ. Ulm (Germany)
Alwin Kienle, Institut fuer Lasertechnologien in der Medizin und Messtechnik an der Univ. Ulm (Germany)
Raimund Hibst, Institut fuer Lasertechnologien in der Medizin und Messtechnik an der Univ. Ulm (Germany)


Published in SPIE Proceedings Vol. 5138:
Photon Migration and Diffuse-Light Imaging
David A. Boas, Editor(s)

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