Experimental setup (IMAGE) Optica Caption Zuo’s research group combined femtosecond laser micromachining with a previously developed technique called stress-based figure correction. The experimental setup is shown. Credit Heng Zuo, MIT Kavli Institute for Astrophysics and Space Research Usage Restrictions None License Original 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.