Danielis Rutkauskas

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The digital micromirror device (DMD) has been used to achieve parallel scanning in confocal microscopy significantly increasing acquisition speed. However, for confocal reflectance imaging, such an approach is limited to mostly surface imaging due to strong backreflections coming from the DMD that can dominate the signal recorded on a camera.

Abstract Full-field optical coherence tomography (FF-OCT) is a camera-based interferometric microscopy technique that can image deep in tissue with high spatial resolution. However, the absence of confocal gating leads to suboptimal imaging depth. Here, we implement digital confocal line scanning in time-domain FF-OCT by exploiting the row-by-row detection feature of a rolling-shutter camera.