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Proceedings Paper

Progress on the fabrication of high resolution and lightweight monocrystalline silicon x-ray mirrors
Author(s): Raul E. Riveros; Michael P. Biskach; Kim D. Allgood; James R. Mazzarella; Marton V. Sharpe; William W. Zhang
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Paper Abstract

Monocrystalline silicon is an excellent X-ray mirror substrate material due to its high stiffness, low density, high thermal conductivity, zero internal stress, and commercial availability. Our work at NASA Goddard Space Flight Center focuses on identifying and developing a manufacturing process to produce high resolution and lightweight X-ray mirror segments in a cost and time effective manner. Previous efforts focused on demonstrating the feasibility of cylindrical silicon mirror polishing and lightweighting. Present efforts are aimed towards producing true paraboloidal and hyperboloidal mirror surfaces on the lightweight silicon segments. This paper presents results from these recent investigations, including a mirror which features a surface quality sufficient for a 3 arcsecond telescope.

Paper Details

Date Published: 18 July 2016
PDF: 5 pages
Proc. SPIE 9905, Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray, 990521 (18 July 2016); doi: 10.1117/12.2234215
Show Author Affiliations
Raul E. Riveros, NASA Goddard Space Flight Ctr. (United States)
Univ. of Maryland, Baltimore County (United States)
Michael P. Biskach, NASA Goddard Space Flight Ctr. (United States)
Stinger Ghaffarian Technologies, Inc. (United States)
Kim D. Allgood, NASA Goddard Space Flight Ctr. (United States)
Stinger Ghaffarian Technologies, Inc. (United States)
James R. Mazzarella, NASA Goddard Space Flight Ctr. (United States)
Stinger Ghaffarian Technologies, Inc. (United States)
Marton V. Sharpe, NASA Goddard Space Flight Ctr. (United States)
Stinger Ghaffarian Technologies, Inc. (United States)
William W. Zhang, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 9905:
Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray
Jan-Willem A. den Herder; Tadayuki Takahashi; Marshall Bautz, Editor(s)

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