SNAP Microresonators (IMAGE) Optica Caption This figure is an illustration of SNAP microresonators formed by nanoscale variation of the optical fiber diameter. Credit Courtesy OFS Laboratories. 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.