Optical Gyroscope (IMAGE) Optica Caption These are schematics showing the far-field emission pattern of a microdisk cavity changing from symmetric to strongly asymmetric. Two cameras on the right monitor the change. Credit Li Ge, physicist at the Graduate Center and Staten Island College, City University of New York 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.