Achromatic Metagratings Enable Compact Waveguide Displays

Augmented reality (AR) technology, which seamlessly overlays digital content onto our real-world view, has seen widespread adoption across various industries, from retail and gaming to education. A fundamental component enabling these immersive experiences is the waveguide display. These transparent optical layers act as conduits, guiding light from a projector directly to the user’s eye, allowing [..]