Interference Patterns in Phonon Polaritons (image) University of California - San Diego Share Print E-Mail Caption This image shows interference patterns created by surface phonon polaritons propagating across atom-thin layers of crystalline boron nitride and reflecting back from edges. The center image is a model; images on the right and left derive from measurements. Credit Siyuan Dai Usage Restrictions For use in reports of this finding only. For other uses, contact email@example.com. 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.