Peter Andrekson (IMAGE) Chalmers University of Technology Caption Professor Peter Andrekson is Head of the Photonics Laboratory at the Department of Microtechnology and Nanoscience, Chalmers University of Technology, Sweden. Credit Henrik Sandsjö/Chalmers University of Technology Usage Restrictions Credit must be given to the creator. License CC BY 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.