Microfabricated Grating (IMAGE) University of Strathclyde Caption The attached image shows a microfabricated grating generating four new beams from a single incoming beam of light. Credit National Physical Laboratory 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.