A Terahertz Lens (IMAGE) Brown University Caption Researchers have used an array of stacked plates to make a lens for terahertz radiation. The technique could set stage for new types of components for manipulating terahertz waves. Credit Mittleman lab / Brown University 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.