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A model of optical coherence tomography image formation based on Maxwell's equations

Munro, P.R.T., Curatolo, A. and Sampson, David (2017) A model of optical coherence tomography image formation based on Maxwell's equations

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The majority of existing models of image formation in optical coherence tomography make simplifying assumptions. For example, those based on the extended Huygens-Fresnel formalism make the first-order Born approximation and consider ensemble average, rather than deterministic, scatterer distributions. Monte Carlo solutions of the radiative transport equation also consider ensemble average scatterer distributions and do not explicitly model interferometric detection. Although such models have been successful in answering many questions, there is a growing number of applications where the ability to predict image formation based upon a full wave treatment is needed, including, for example, image formation in turbid tissue. Such a rigorous model of image formation, based upon three-dimensional solutions of Maxwell's equations offers a number of tantalising opportunities. For example, shedding light on image formation for features near or below the resolution of an optical coherence tomography system, allowing for full wave inverse scattering methods to be developed and providing gold standard verification of quantitative imaging techniques. We have developed the first such model and will present simulated B-scans and C-scans, the principal features of our model, and comparisons of experimental and simulated image formation for phantoms.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Divisions : Faculty of Engineering and Physical Sciences
Faculty of Health and Medical Sciences
Authors :
Munro, P.R.T.
Curatolo, A.
Date : 2017
DOI : 10.1109/IPCon.2016.7831012
Uncontrolled Keywords : Coherent scattering, Imaging techniques, Inverse problems, Optical tomography, Photonics, Tomography, Ensemble averages, First order born approximations, Interferometric detection, Inverse scattering methods, Quantitative imaging, Radiative transport equation, Simplifying assumptions, Three-dimensional solutions, Maxwell equations
Depositing User : Maria Rodriguez-Marquez
Date Deposited : 04 Jun 2018 08:31
Last Modified : 19 Sep 2018 11:32

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