Ultrahigh-resolution full-field optical coherence tomography using spatial coherence gating and quasi-monochromatic illumination |
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Authors: | Safrani Avner Abdulhalim Ibrahim |
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Affiliation: | Department of Electro-optic Engineering, Ben Gurion University of the Negev, Beer Sheva, Israel. safrana@bgu.ac.il |
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Abstract: | We developed an ultrahigh-resolution full-field optical coherence tomography (FF-OCT) microscope that is based on the spatial, rather than the temporal, coherence gating. The microscope is capable of observing three-dimensional microbiological structures as small as 0.4 μm × 0.4 μm × 1.0 μm (xyz) using quasi-monochromatic light and a liquid crystal retarder. Unlike traditional FF-OCT systems, this microscope can be operated in high resolution for any preferable wavelength with minimized defocusing and dispersion effects. High-resolution images of an onion cell are presented. |
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