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Improving x-ray optics via differential deposition
Author(s): Kiranmayee Kilaru; Brian D. Ramsey; Jeffery Kolodziejczak; Carolyn Atkins
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Paper Abstract

Differential deposition, a post-fabrication figure correction technique, has the potential to significantly improve the imaging quality of grazing-incidence X-ray optics. DC magnetron sputtering is used to selectively coat the mirror in order to minimize the figure deviations. Custom vacuum chambers have been developed at NASA MSFC that will enable the implementation of the deposition on X-ray optics. A factor of two improvement has been achieved in the angular resolution of the full-shell X-ray optics with first stage correction of differential deposition. Current efforts are focused on achieving higher improvements through efficient implementation of differential deposition.

Paper Details

Date Published: 29 August 2017
PDF: 9 pages
Proc. SPIE 10399, Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII, 103991F (29 August 2017); doi: 10.1117/12.2275503
Show Author Affiliations
Kiranmayee Kilaru, Universities Space Research Association (United States)
Brian D. Ramsey, NASA Marshall Space Flight Ctr. (United States)
Jeffery Kolodziejczak, NASA Marshall Space Flight Ctr. (United States)
Carolyn Atkins, UK Astronomy Technology Ctr. (United Kingdom)


Published in SPIE Proceedings Vol. 10399:
Optics for EUV, X-Ray, and Gamma-Ray Astronomy VIII
Stephen L. O'Dell; Giovanni Pareschi, Editor(s)

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