Simulation of coherent properties of photons in scattering medium for optical coherence tomography |
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| Authors: | Mei Zhang Lin Lin Huazhu Liu |
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| Institution: | 1. College of Electronic Engineering, Dongguan University of Technology, Dongguan 523808, China;2. School of Information Engineering, Guangdong Medical College, Dongguan 523808, China |
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| Abstract: | Monte Carlo model of optical coherence tomography is developed for simulation of photon transport in half infinite homogenous media. The procedure is accelerated by scaling the baseline data from standard Monte Carlo calculation in turbid media with arbitrary optical parameters. Gaussian beam is modeled by hyperboloid of one sheet for actual condition to obtain distribution of photons on sample surface. Depth dependence coherent signal and photons distribution are calculated in this way, which is important to reconstruction of optical parameters by inverse Monte Carlo. Numerical results have verified this method in turbid medium of different optical parameters with acceptable relative errors. |
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| Keywords: | Gaussian beam Monte Carlo Scaling method Optical coherence tomography |
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