Spatially varying absorptive or scattering inclusions in a diffusive slab: a perturbation approach to the time-resolved transmittance

Rosario Esposito; Sergio De Nicola; Maria Lepore

doi:10.1117/12.708133

1 March 2007 Spatially varying absorptive or scattering inclusions in a diffusive slab: a perturbation approach to the time-resolved transmittance

Rosario Esposito, Sergio De Nicola, Maria Lepore

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Proceedings Volume 6434, Optical Tomography and Spectroscopy of Tissue VII; 64342D (2007) https://doi.org/10.1117/12.708133
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

In the framework of perturbation approach to diffusion equation analytical expressions are derived to describe the effects on the time-resolved transmittance due to the presence of an inclusion that can be purely absorptive or diffusive. The formula assume the optical properties of the inclusion are spatially Gaussian distributed. The accuracy and the application range of the perturbed transmittance are investigated through comparisons with the numerical solutions of the time-dependent diffusion equation given by using the Finite Element Method. A case of practical interest for two-dimensional breast imaging is considered.

Citation Download Citation

Rosario Esposito, Sergio De Nicola, and Maria Lepore "Spatially varying absorptive or scattering inclusions in a diffusive slab: a perturbation approach to the time-resolved transmittance", Proc. SPIE 6434, Optical Tomography and Spectroscopy of Tissue VII, 64342D (1 March 2007); https://doi.org/10.1117/12.708133

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