Laser Aources (IMAGE) The University of Hong Kong Caption (a) Compact fibre laser sources for CRS imaging (in red box). (b) The commercial laser sources for CRS imaging. Credit The University of Hong Kong 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.