A Section of the Optical Path Setup (image) University of Leicester Share Print E-Mail 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. Share Print E-Mail 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.