Propagation of Light in SNAP Fiber (IMAGE) Optica Caption This figure shows the propagation of light in a SNAP fiber coupled to a tapered regular optical fiber. 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.