Single-Crystal Organometallic Perovskite Optical Fiber (IMAGE) Queen Mary University of London Caption Single-Crystal Organometallic Perovskite Optical Fiber Credit Dr Lei Su Usage Restrictions Non-commercial use only. 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.