Ultrafast Photomodulation Spectroscopy (IMAGE) University of Southampton Caption This image shows ultrafast photomodulation spectroscopy with the sample in the middle and the small blue spot on the sample, which shows the actual pump-light used in the method. Credit University of Southampton 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.