Monte Carlo simulations of photon migration path distributions in multiple scattering media

Abstract
Various characteristics of photon diffusion process in biological tissues are examined for the following geometries: (1) a semi-infinite homogeneous medium, (2) a homogeneous slab with thickness d equals 10 mm, and (3) an infinite host medium containing an inclusion object of different optical properties, using a Monte Carlo (MC) simulation technique. Our simulation results are compared with both the diffusion theory and a discrete lattice model (when applicable). We discuss the applicability of using MC simulations as a means to characterize absorbing objects in realistic biological tissue systems.

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