Telling Patterns (IMAGE) Brown University Caption Measured intensity of guided polariton waves (a) yields a diffraction pattern similar to that seen in classic optical experiment from 200 years ago. Numerical simulation based on proposed analytical framework results in a nearly identical pattern (b). Credit Rashid Zia 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.