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Proceedings Paper

Determination of the optical properties of multilayered phantoms by time-resolved reflectance measurements
Author(s): H. García; D. Iriarte; J. Pomarico; D. Grosenick; R. Macdonald
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Paper Abstract

Diffuse optical imaging of the human brain requires methods to account for the layered structure of the head. In this work we present results of experiments performed on layered phantoms in reflection geometry by a time-resolved technique. We investigate structures with two and three layers with the goal to retrieve the optical properties of the deepest one. Data analysis is based on an existing solution of the time-resolved diffusion equation for a multilayer cylinder. Using a sufficiently large source-detector separation the absorption and reduced scattering coefficients of the deepest layer can be derived from time-resolved reflectance with a deviation of typically not more than 10% from the known values.

Paper Details

Date Published: 16 July 2015
PDF: 8 pages
Proc. SPIE 9538, Diffuse Optical Imaging V, 95381G (16 July 2015); doi: 10.1117/12.2183459
Show Author Affiliations
H. García, CIFICEN (Argentina)
D. Iriarte, CIFICEN (Argentina)
J. Pomarico, CIFICEN (Argentina)
D. Grosenick, Physikalisch-Technische Bundesanstalt (Germany)
R. Macdonald, Physikalisch-Technische Bundesanstalt (Germany)

Published in SPIE Proceedings Vol. 9538:
Diffuse Optical Imaging V
Hamid Dehghani; Paola Taroni, Editor(s)

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