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Researchers at the University of Tokyo have demonstrated the use of a multimode fiber (MMF) in combination with an integrated optical phased array (OPA) chip for single-pixel imaging in potential biomedical applications. The technology could allow for smaller devices with which to perform pseudo-random speckle pattern imaging applications such as ultra-thin endoscopy or in vivo neural imaging.
According to Taichiro Fukui, a Ph.D. student in the group, previous research indicated that illuminating a target using random speckles, rather than a focused spot, enhances the spatial resolution of an imaging process. “This is because unlike a focused spot, the random speckle illumination consists of interference patterns that contain…READ MORE