Sapphire Fiber (IMAGE) Clemson University Caption Clemson University researchers say sapphire is better for fiber optics than silica used now. Credit John Ballato, Clemson University 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.