FACET-II upgrades (IMAGE) DOE/SLAC National Accelerator Laboratory Caption Over the course of two years, crews at SLAC installed a state-of-the-art high brightness electron source and new electron bunch compressor systems for producing intense beams. They also upgraded the facility's control systems and installed tools to analyze the beam properties. Credit Jacqueline Orrell/SLAC National Accelerator Laboratory 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.