Optical Fiber Waveguide (image) University of Illinois College of Engineering Share Print E-Mail Caption Microscope image of a silica glass resonator and optical fiber waveguide. Light and sound circulating in this type of resonator are shown to exhibit chiral effects in this study. Credit Gaurav Bahl, University of Illinois Department of Mechanical Science and Engineering Usage Restrictions None Share Print E-Mail 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.