KEYWORDS: In vivo imaging, Super resolution, Nanoimaging, Image resolution, Microspheres, Evanescence, Spatial frequencies, Multimode fibers, Modulation, Imaging systems
Existing super-resolution imaging technology relies on rigid and bulky systems, which limits its application in narrow space. Endoscopy based on multimode fibers (MMF) has emerged as a significant solution for in vivo imaging. There is a high requirement to observe samples inside the lumen of the body simultaneously break through the diffraction limit. We propose the frequency-shift mechanism for universal super-resolution imaging with light-field encoded modulation. In this paper, we demonstrate our method for a single MMF in vivo imaging at subcellular resolution through light-field encoded, which can also ensure stable imaging under various operating conditions.
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