Researchers develop a mass-producible, centimeter-scale metalens for VR, imaging

Metalenses—flat surfaces that use nanostructures to focus light—are poised to revolutionize microscopes, cameras, sensors, and displays. But so far, most of the lenses have been about the size of a piece of glitter. Now, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences have developed an all-glass, centimeter-scale metalens in the visible spectrum that can be manufactured using conventional chip fabrication methods.