Water-Based Optical Device (IMAGE) Tokyo University of Science Caption Extracting light modulation using the interfacial Pockels effect. Credit Prof Eiji Tokunaga, Tokyo University of Science 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.