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Researchers from Nanjing University are using metalenses to enhance and shrink microscopes while maintaining resolution with a large field of view.
In pursuit of a more compact integrated microscope system, Tao Li, professor of engineering and applied science, and his team mounted a metalens on a CMOS image sensor to create a prototype of an imaging system that is roughly the size of a coin. The metalens-integrated imaging device (MIID) features an ultracompact architecture with a working imaging distance in the hundreds of micrometers. A simple image stitching process enabled the researchers to obtain wide-field microscope imaging while preserving a large field of view and high resolution.
Metalens-integrated imaging device….
