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1 May 2014 Novel approach to modeling spectral-domain optical coherence tomography with Monte Carlo method
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Numerical modeling Optical Coherence Tomography (OCT) systems is needed for optical setup optimization, development of new signal processing methods and assessment of impact of different physical phenomena inside the sample on OCT signal. The Monte Carlo method has been often used for modeling Optical Coherence Tomography, as it is a well established tool for simulating light propagation in scattering media. However, in this method light is modeled as a set of energy packets traveling along straight lines. This reduces accuracy of Monte Carlo calculations in case of simulating propagation of dopeds. Since such beams are commonly used in OCT systems, classical Monte Carlo algorithm need to be modified. In presented research, we have developed model of SD-OCT systems using combination of Monte Carlo and analytical methods. Our model includes properties of optical setup of OCT system, which is often omitted in other research. We present applied algorithms and comparison of simulation results with SD-OCT scans of optical phantoms. We have found that our model can be used for determination of level of OCT signal coming from scattering particles inside turbid media placed in different positions relatively to focal point of incident light beam. It may improve accuracy of simulating OCT systems.
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Maciej Kraszewski, Michal Trojanowski, Marcin Strakowski, Jerzy Pluciński, and Bogdan B. Kosmowski "Novel approach to modeling spectral-domain optical coherence tomography with Monte Carlo method", Proc. SPIE 9131, Optical Modelling and Design III, 91310U (1 May 2014);

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