1. Biomedical Imaging: MEMS scanners enable in vivo 3-D OCT

    Biomedical Imaging: MEMS scanners enable in vivo 3-D OCT
    While nonoptical medical imaging techniques such as computed tomography, magnetic-resonance imaging, and ultrasound can be very useful in guiding surgical procedures, they lack the spatial resolution required for revealing tissue microarchitecture, which can be important in time-critical applications, such as staging of tumors.1 In contrast, optical imaging modalities such as confocal, two-photon, and fluorescence microscopy, and optical coherence tomography (OCT) provide depth-resolved imaging even in turbid media, with cellular-level detail. In particular, OCT offers imaging depths of several millimeters through human tissue with micrometer resolution in all three dimensions and can extract additional properties of the sample (such as ...
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