SE of Metalens (image) Harvard John A. Paulson School of Engineering and Applied Sciences Share Print E-Mail Caption A scanning electron microscope image shows a side-view of the metalens, with nanopillars optimized to focus colors without chromatic dispersion. Scale bar: 200 nm. Credit (Image courtesy of the Capasso Lab/Havard SEAS) Usage Restrictions with credit Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.