Metasurface Laser (IMAGE) University of the Witwatersrand Caption An artistic impression of the metasurface laser to produce super-chiral twisted light with OAM up to 100. Credit Wits University 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.