Fabrication and characterization of optical phantoms

Fatma-Zohra Bioud; Yves Bérubé-Lauzière

doi:10.1117/12.807789

12 August 2008 Fabrication and characterization of optical phantoms

Proceedings Volume 7099, Photonics North 2008; 709906 (2008) https://doi.org/10.1117/12.807789
Event: Photonics North 2008, 2008, Montréal, Canada

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 μ_a of a purely absorbing medium, and the scattering coefficient μ_s of a purely diffusing medium. We also compare the way μ_a and μ_s add in a solution of absorbing and diffusing media.

Citation Download Citation

Fatma-Zohra Bioud and Yves Bérubé-Lauzière "Fabrication and characterization of optical phantoms", Proc. SPIE 7099, Photonics North 2008, 709906 (12 August 2008); https://doi.org/10.1117/12.807789

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