18 July 2016 Development of a direct fabrication technique for full-shell x-ray optics
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Abstract
Future astrophysical missions will require fabrication technology capable of producing high angular resolution x-ray optics. A full-shell direct fabrication approach using modern robotic polishing machines has the potential for producing high resolution, light-weight and affordable x-ray mirrors that can be nested to produce large collecting area. This approach to mirror fabrication, based on the use of the metal substrates coated with nickel phosphorous alloy, is being pursued at MSFC. A model of the wear pattern as a function of numerous physical parameters is developed and verified using a mandrel sample. The results of the polishing experiments are presented.
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M. Gubarev, J. K. Kolodziejczak, C. Griffith, J. Roche, W. S. Smith, T. Kester, C. Atkins, W. Arnold, B. Ramsey, "Development of a direct fabrication technique for full-shell x-ray optics", Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 99051V (18 July 2016); doi: 10.1117/12.2233666; https://doi.org/10.1117/12.2233666
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