QC Laswer with Plasmonic Collimator (IMAGE) Harvard University Caption A cartoon showing a quantum cascade laser patterned with a plasmonic collimator which greatly reduces the divergence in the vertical direction. Credit Courtesy of Capasso Lab, Harvard School of Engineering and Applied Sciences Usage Restrictions None License Licensed content 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.