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Proceedings Paper

Statistics of photon penetration depth in diffusive media
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Paper Abstract

The study of photon migration through highly scattering media opens the way to the non-invasive investigation of biological tissues well below the skin surface. When the medium is addressed in reflectance geometry, a key issue is to maximize the depth reached by migrating photons. By exploiting the Diffusion Approximation of the Radiative Transfer Equation, we calculated the time-resolved and continuous-wave probability density functions for the maximum depth reached by detected photons, for both a homogeneous and a layered laterally-infinite diffusive slab. From the probability density functions it is possible to calculate the mean value of the maximum depth at which detected photons have undergone scattering events.

Paper Details

Date Published: 17 February 2017
PDF: 8 pages
Proc. SPIE 10059, Optical Tomography and Spectroscopy of Tissue XII, 100590X (17 February 2017); doi: 10.1117/12.2252367
Show Author Affiliations
Lorenzo Spinelli, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Andrea Farina, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Tiziano Binzoni, Univ. de Genève (Switzerland)
Univ. Hospital Genève (Switzerland)
Alessandro Torricelli, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Politecnico di Milano (Italy)
Antonio Pifferi, CNR-Istituto di Fotonica e Nanotecnologie (Italy)
Politecnico di Milano (Italy)
Fabrizio Martelli, Univ. degli Studi di Firenze (Italy)


Published in SPIE Proceedings Vol. 10059:
Optical Tomography and Spectroscopy of Tissue XII
Bruce J. Tromberg; Arjun G. Yodh; Eva Marie Sevick-Muraca; Robert R. Alfano, Editor(s)

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