1. Full-field optical coherence tomography—An educational setup for an undergraduate lab

    Full-field optical coherence tomography—An educational setup for an undergraduate lab

    Optical coherence tomography, or in short OCT, is a measurement technique established in the early 1990s for the non-invasive imaging of interfaces in the bulk of biological tissues or other samples. A full-field OCT setup is built from a microscope combined with a Michelson interferometer, where the mirror in one arm is replaced by the sample. Using white light, which is temporally partially coherent, interference fringes disclose the presence of an interface whenever the lengths of both interferometer arms are nearly equal. Scanning one arm allows for a volumetric reconstruction of all interfaces inside the sample. While the importance of ...

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