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(a) and (b) Irregular polarization dependent bands shown in the UHR OCT images of tissue specimen taken from the right ventricular septum of human hearts. This may be associated with the heterogeneity in the tissue composition. (c) UHR OCT image of the right atrium of human heart. The thick collagen layer depolarizes the light as it passes through the tissue and no birefringence artifact was shown. Scale bar: .
