Ultra-Compact Polarimeter On A Chip (image) Harvard John A. Paulson School of Engineering and Applied Sciences Share Print E-Mail Caption Light from an optical fiber illuminates the metasurface and is scattered in four different directions. The intensities are measured by four detectors. From this measurement the state of polarization of light is detected. Credit Photo courtesy of the Capasso Lab/Harvard 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.