Nanoantenna (IMAGE) Swedish Research Council Caption The nanoantenna acts as a router for red and blue light, due to the nanoparticles of gold and silver having different optical properties. Credit Timur Shegai 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.