Optical Frequency Comb Control (IMAGE) Purdue University Caption New technology uses acoustics to better control a pulse of laser light split into a frequency comb, potentially helping lidar to achieve detection of nearby high-speed objects. Credit WoogieWorks graphic/Alex Mehler 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.