FIRS-z (IMAGE) University of Hawaii at Manoa Caption The ray-trace diagram depicts the optical layout of the Facility Infrared Spectropolarimeter (FIRS) built by the University of Hawaii at Manoa and installed at the National Solar Observatory’s Dunn Solar Telescope at Sunspot, NM. The inset at top left is a frame from a “data cube” movie built by imaging through four slits at once. Credit H. Lin, University of Hawaii at Manoa 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.