Abstract
Optical coherence tomography (OCT) with microscopic resolution is suited for the investigation of dynamic processes on cellular level. Most existing setups for microscopic OCT (mOCT) are able to acquire A-Scans at 100 kHz, hence they are suitable for displaying only B-Scans in real-time. We present an mOCT setup with a new high-speed spectrometer, which is capable of acquiring up to 600.000 A-scans/s. Customized software allows to image mOCT volumes with micrometer resolution at video rate. Therefore, we are able to visualize functional processes on a cellular level in three dimensions over time. Here, we present 2D and 4D data of ex vivo human lung. Recording tens of high-resolution OCT volumes per seconds becomes possible faster than previous setup for OCT with microscopic resolution.
© 2019 SPIE/OSA
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