Abstract
A Fabry-Perot velocity interferometer system is described that uses a modified rotating-mirror streak camera to record the dynamic fringe positions. A Los Alamos Model 72B rotating-mirror streak camera, equipped with a beryllium mirror, was modified to include a high aperture (f/2.5) relay lens and a 40-mm image-intensifier tube such that the image normally formed at the film plane of the streak camera is projected onto the intensifier tube. Fringe records for thin (0.13 mm) flyers driven by a small bridgewire detonator obtained with a Model C1155-01 Hamamatsu and Model 790 Imacon electronic streak cameras are compared with those obtained with the image-intensified rotating-mirror streak camera (I2RMC). Resolution comparisons indicate that the I2RMC gives better time resolution than either the Hamamatsu or the Imacon for total writing times of a few microseconds or longer.
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