Metalens (made of silicon) mounted on a transparent, stretchy polymer film, without any electrodes. The colorful iridescence is produced by the large number of nanostructures within the metalens. (Image courtesy of the Capasso Lab/Harvard SEAS)
Artificial eye automatically stretches to simultaneously focus and correct astigmatism and image shift. Inspired by the human eye, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed an adaptive metalens, that is essentially a flat, electronically controlled artificial eye. The adaptive metalens simultaneously controls for 3 of the major contributors to blurry images: focus, astigmatism, and image shift.
“This research combines breakthroughs in artificial muscle technology with metalens technol...
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