Monte Carlo simulation study of the diffusely reflected photons from a semi-infinite turbid media

Kapka Vaseva; Ivan V. Chaltakov

doi:10.1117/12.425173

9 April 2001 Monte Carlo simulation study of the diffusely reflected photons from a semi-infinite turbid media

Kapka Vaseva, Ivan V. Chaltakov

Proceedings Volume 4397, 11th International School on Quantum Electronics: Laser Physics and Applications; (2001) https://doi.org/10.1117/12.425173
Event: 11th International School on Quantum Electronics: Laser Physics and Applications, 2000, Varna, Bulgaria

Abstract

Monte-Carlo simulations of the light diffusive reflectance from semi-infinite turbid media were performed in order to study the possibility for a stationary diagnostic of biological tissues. Initially the intensity distribution of the diffusively reflected photons as a function of the separation from the light source was calculated for a wide range of absorption and scattering coefficients. The typical maximum in the radial distribution of the intensity was detected. Analyzing those results a relation between the intensity maximum position and the scattering coefficient was observed for all the cases studied. Suggesting that the relationship mentioned could be concludable for an estimation of the scattering coefficient of the tissue an additional study of the angular distribution of the diffusively reflected photons was also made. As a result the applicability of an optical fiber light probe for collection of the photons was discussed. Finally, it was concluded that the steady-state intensity dependence of the diffusively reflected photons on the separation from the light source could be applicable for biologic tissue diagnostics.

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Kapka Vaseva and Ivan V. Chaltakov "Monte Carlo simulation study of the diffusely reflected photons from a semi-infinite turbid media", Proc. SPIE 4397, 11th International School on Quantum Electronics: Laser Physics and Applications, (9 April 2001); https://doi.org/10.1117/12.425173

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KEYWORDS

Photons

Scattering

Light scattering

Tissues

Light sources

Absorption

Monte Carlo methods

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