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A metalens for virtual and augmented reality
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A metalens for virtual and augmented reality

HARVARD JOHN A. PAULSON SCHOOL OF ENGINEERING AND APPLIED SCIENCES IMAGE: A metalens fabricated on 2-inch glass wafer (left) and a scanning fiber mounted through a piezo tube (right). The fiber tip locates within the focal length of the metalens. Light travels along the fiber and emits out from the scanning fiber tip, where a...