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28 July 2014 The guider and wavefront curvature sensor subsystem for the Large Synoptic Survey Telescope
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The Large Synoptic Survey Telescope instrument include four guiding and wavefront sensing subsystems called corner raft subsystems, in addition to the main science array of 189 4K x 4K CCDs. These four subsystems are placed at the four corners of the instrumented field of view. Each wavefront/guiding subsystem comprises a pair of 4K x 4K guide sensors, capable of producing 9 frames/second, and a pair of offset 2K x 4K wavefront curvature sensors from which the images are read out at the cadence of the main camera system, providing 15 sec integrations. These four guider/wavefront corner rafts are mechanically and electrically isolated from the science sensor rafts and can be installed or removed independently from any other focal plane subsystem. We present the implementation of this LSST subsystem detailing both hardware and software development and status.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Vincent J. Riot, Kirk Arndt, Chuck Claver, Peter E. Doherty, D. Kirk Gilmore, Patrick A. Hascall, Sven Herrmann, Ivan Kotov, Paul O'Connor, Jacques Sebag, Christopher W. Stubbs, and Michael Warner "The guider and wavefront curvature sensor subsystem for the Large Synoptic Survey Telescope", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 914774 (28 July 2014);


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