PEEM Microscope (IMAGE) University of Oldenburg Caption Looking into the vacuum chamber of the Photoemission Electron Microscope in Lund: The research team used a similar device to study electrons that had been released from a sample using laser pulses. Credit Jan Vogelsang Usage Restrictions Please use only with press release and with appropriate credit. 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.