A Section of the Optical Path Setup (IMAGE) University of Leicester Caption This is a section of the optical path setup used to direct the laser beams through the laboratory is shown. Credit Dr Mark Watkins Usage Restrictions Use only with credit. 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.