Z-beamlet Laser (IMAGE) DOE/Sandia National Laboratories Caption Amplified light passes through the large tubes of Sandia National Laboratories' Z-Beamlet laser, one of the most powerful in the world. Credit Randy Montoya, Sandia National Laboratories Usage Restrictions credit: courtesy, Sandia National Laboratories 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.