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4 September 2015 Differential deposition correction of segmented glass x-ray optics
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Abstract
One of the challenges faced within the astronomical X-ray community is how to produce lightweight high angular resolution optics for a future X-ray mission capable of probing the early X-ray universe. To this end, the differential deposition project at NASA Marshall Space flight Center (MSFC) is looking to improve current X-ray optic technology by applying a corrective coating with a goal of achieving arc-second-level resolution. This paper will focus on the correction of segmented glass optics fabricated at NASA Goddard Space Flight Center (GSFC) and the paper will highlight: the design of the vacuum chamber and internal mechanics; the algorithm used to perform the correction; metrology of the glass segments; and the improvement post correction that has been achieved to date.
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Carolyn Atkins, Kiranmayee Kilaru, Brian D. Ramsey, David M. Broadway, Mikhail V. Gubarev, Stephen L. O'Dell, and William W. Zhang "Differential deposition correction of segmented glass x-ray optics", Proc. SPIE 9603, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VII, 96031G (4 September 2015); https://doi.org/10.1117/12.2189933
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