Validity study by Monte Carlo method of an analytical theory for photon correlation diffusion in multilayered media

Bin Luo; Jun Li D.D.S.

doi:10.1117/12.662297

14 April 2006 Validity study by Monte Carlo method of an analytical theory for photon correlation diffusion in multilayered media

Bin Luo, Jun Li D.D.S.

Author Affiliations +

Proceedings Volume 6191, Biophotonics and New Therapy Frontiers; 61911H (2006) https://doi.org/10.1117/12.662297
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

An analytical theory has been proposed to describe multiple dynamic light scattering (MDLS) in a multi-layered turbid medium with optical and dynamical heterogeneities. To examine the validity of this theory, Monte Carlo method is used for simulating the photon correlation diffusion in the medium. The simulation results are then compared with that of the analytical prediction. A comprehensive investigation has been carried out, including cases of one finite layer, one semi-infinite layer, two finite layers, and three layers with the last layer being semi-infinite. In simulations optical parameters are varied in a large range: the absorption and the reduced scattering coefficients are taken from 0.1 to 0.7 cm^-1 and 2.0 to 20.0 cm^-1, respectively. The Monte Carlo results, in most cases, are in an excellent agreement with that of the analytical theory, demonstrating the effectiveness of the analytical theory for multi-layered MDLS.

Citation Download Citation

Bin Luo and Jun Li D.D.S. "Validity study by Monte Carlo method of an analytical theory for photon correlation diffusion in multilayered media", Proc. SPIE 6191, Biophotonics and New Therapy Frontiers, 61911H (14 April 2006); https://doi.org/10.1117/12.662297

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