Multiple Backscattering Effects in Optical Coherence Tomography Images of Layered Turbid Media |
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| Authors: | G V Gelikonov L S Dolin E A Sergeeva I V Turchin |
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| Institution: | (1) Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, Russia |
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| Abstract: | We study the influence of multiple backscattering on optical coherence tomography (OCT) images or pulsed-sounding images of layered turbid media. A method for calculating the signal of various orders of backscattering is proposed. The retarding effects of OCT-signal dropping are analyzed. The contrast attenuation of an image of a layered medium due to multiple backscattering is examined. The blurring effect of an image of the back boundary of a scattering layer, caused by a delay of multiply scattered photons compared with single-scattered ones, is studied theoretically and experimentally using an OCT device. |
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