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29 July 2010 The Nuclear Spectroscopic Telescope Array (NuSTAR): optics overview and current status
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The Nuclear Spectroscopic Telescope Array (NuSTAR) is a NASA Small Explorer mission scheduled for launch in February 2012. NuSTAR will deploy two imaging CdZnTe spectrometers in the 6-79 keV energy band. The two NuSTAR optics utilize multilayer-coated, thermally-slumped glass integrated into a titanium-glass-epoxy-graphite composite structure, along with an extendable mast, to obtain 10.15 meter focal length. Using this approach, the NuSTAR optics will obtain subarcminute imaging with large effective area over its entire energy band. NuSTAR's conic-approximation Wolter-I optics are the first true hard X-ray focusing optics to be deployed on a satellite experiment. We report on the design of the NuSTAR optics, present the status of the two flight optics under construction, and report preliminary measurements that can be used to predict performance.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Charles J. Hailey, HongJun An, Kenneth L. Blaedel, Nicolai F. Brejnholt, Finn E. Christensen, William W. Craig, Todd A. Decker, Melanie Doll, Jeff Gum, Jason E. Koglin, Carsten P. Jensen, Layton Hale, Kaya Mori, Michael J. Pivovaroff, Marton Sharpe, Marcela Stern, Gordon Tajiri, and William W. Zhang "The Nuclear Spectroscopic Telescope Array (NuSTAR): optics overview and current status", Proc. SPIE 7732, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, 77320T (29 July 2010);


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