8 September 2017 Development of multilayer coatings for hard x-ray optics at NASA Marshall Space Flight Center
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Abstract
In this work, we describe the development of multilayer coating capabilities of the X-ray astronomy group at NASA Marshall Space Flight Center (MSFC). A DC magnetron sputtering system has been constructed to deposit periodic, depth-graded and aperiodic multilayer coatings on flat silicon and glass substrates of various diameters. The main goal of this new area of research at MSFC is the development of coatings for use on future hard X-ray astronomical telescopes, extending the reflected energy range into the hard X-ray to soft gamma ray band. Descriptions of the system geometry and calibration process as well as initial results from the first few months of deposition and coating recipe optimization are presented.
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Danielle N. Gurgew, David M. Broadway, Brian Ramsey, and Don Gregory "Development of multilayer coatings for hard x-ray optics at NASA Marshall Space Flight Center", Proc. SPIE 10399, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII, 103991S (8 September 2017); doi: 10.1117/12.2274134; https://doi.org/10.1117/12.2274134
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