Graphene Monolayer (IMAGE) National University of Singapore Caption The graphene monolayer can function as a broadband polarizer. Credit Prof Kian Ping Loh, National University of Singapore Usage Restrictions For use by registered reporters who pick up the story for publish 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.