UV light lamp (IMAGE) University of Colorado at Boulder Caption UV light being emitted by a krypton chloride excimer lamp, fueled by molecules moving between different states of energy. Credit Linden Research Group / CU Boulder Usage Restrictions None License Original 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.