Abstract

We present an extension to existing Monte Carlo photon transport methods to simulate integrating sphere experiments. This method uses a Monte Carlo approach to simulate photon paths in tissue and an analytical expression for the probability of a photon in an integrating sphere being re-incident on the tissue. Analytical models, previous works on Monte Carlo photon transport, and measurements of a synthetic tissue phantom validate this method. We present two approaches to back-calculate the optical properties of samples. Experimental and simulation uncertainties are propagated through both methods. Both back-calculation methods find the optical properties of a sample accurately and precisely.

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