29 July 2010 The Nuclear Spectroscopic Telescope Array (NuSTAR): optics overview and current status
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Abstract
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.
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Charles J. Hailey, Charles J. Hailey, HongJun An, HongJun An, Kenneth L. Blaedel, Kenneth L. Blaedel, Nicolai F. Brejnholt, Nicolai F. Brejnholt, Finn E. Christensen, Finn E. Christensen, William W. Craig, William W. Craig, Todd A. Decker, Todd A. Decker, Melanie Doll, Melanie Doll, Jeff Gum, Jeff Gum, Jason E. Koglin, Jason E. Koglin, Carsten P. Jensen, Carsten P. Jensen, Layton Hale, Layton Hale, Kaya Mori, Kaya Mori, Michael J. Pivovaroff, Michael J. Pivovaroff, Marton Sharpe, Marton Sharpe, Marcela Stern, Marcela Stern, Gordon Tajiri, Gordon Tajiri, William W. Zhang, 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); doi: 10.1117/12.857654; https://doi.org/10.1117/12.857654
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