Thinnest Optical Device - 3 (IMAGE) University of California - San Diego Caption Chawina De-Eknamkul prepares to transfer monolayer tungsten disulfide onto a photonic crystal/nanohole array template. Credit Liezel Labios/UC San Diego Jacobs School of Engineering Usage Restrictions Please credit: Liezel Labios/UC San Diego Jacobs School of Engineering 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.