Meta Mirror (IMAGE)

Aalto University

Meta Mirror

Caption

Conventional mirrors always have symmetric responses for light coming from both sides of the mirrors. Recently, researchers at Aalto University have successfully broken the angle-symmetric response of a mirror using the concept of gradient metasurfaces. The artificially synthesized surfaces can be designed to look "bright" at one direction, while "dark" for the observer at the opposite direction. 

Credit

Xuchen Wang/Aalto University

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