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Proceedings Paper

Fabrication and characterization of optical phantoms
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Paper Abstract

We discuss the fabrication of optical phantoms that will serve as calibration and test standards for a diffuse optical tomographic system developed in our laboratory. For the fabrication of a phantom's matrix, two materials are compared: polyester and epoxy resins. We investigate the capacity to use either of these two resins in the fabrication of a phantom's matrix with different shapes and thicknesses. For the absorbing agent we use India ink and for diffusing agent we choose a fine titanium dioxide (TiO2) powder. We test a collimated light measurements set-up to extract: the absorption coefficient μa of a purely absorbing medium, and the scattering coefficient μs of a purely diffusing medium. We also compare the way μa and μs add in a solution of absorbing and diffusing media.

Paper Details

Date Published: 12 August 2008
PDF: 9 pages
Proc. SPIE 7099, Photonics North 2008, 709906 (12 August 2008); doi: 10.1117/12.807789
Show Author Affiliations
Fatma-Zohra Bioud, Univ. de Sherbrooke (Canada)
Yves Bérubé-Lauzière, Univ. de Sherbrooke (Canada)

Published in SPIE Proceedings Vol. 7099:
Photonics North 2008
Réal Vallée; Michel Piché; Peter Mascher; Pavel Cheben; Daniel Côté; Sophie LaRochelle; Henry P. Schriemer; Jacques Albert; Tsuneyuki Ozaki, Editor(s)

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