Yun Liu of ORNL points to laser comb (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL’s Yun Liu stands before one of the 10 laser comb-based beam diagnostics stations at the Spallation Neutron Source. The laser comb solves the longstanding problem of measuring changes in the beam across time. Credit: Genevieve Martin/ORNL, U.S. Dept. of Energy The laser comb developed by Yun Liu at ORNL solidifies the lab’s leadership in beam instrumentation and leads the advancement of high-power proton accelerators. Credit Genevieve Martin/ORNL, U.S. Dept. of Energy Usage Restrictions No restrictions. License Public Domain 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.