Hollow Core Fiber (IMAGE) University of Rochester Caption The anti-resonant hollow core fiber features a unique arrangement of seven hollow capillaries arranged around a hollow core inside the fiber. Credit Arjun Iyer/Renninger lab/University of Rochester Usage Restrictions credit Arjun Iyer/Renninger lab/University of Rochester 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.