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Proceedings Paper

Development of segmented x-ray mirrors for Constellation-X
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Paper Abstract

We describe recent progress toward producing a segmented mirror that meets the mass and angular resolution requirements for the Constellation-X Spectroscopy X-ray Telescope (SXT). While the segmented approach has its heritage in conical thin foil X-ray mirrors pioneered at GSFC, the Constellation-X implementation introduces innovations in nearly all components. The baseline configuration uses thermally formed glass for reflector substrates; thermally formed Be is being investigated as an option. Alignment is performed using etched Si microstructures that locate reflectors to submicron accuracy. The only aspect preserved from previous mirrors is epoxy replication of the X-ray reflecting surface. Thus far, all developments have been at the component level. Nonetheless, we have made substantial progress toward meeting the Constellation-X SXT angular resolution goal.

Paper Details

Date Published: 18 July 2000
PDF: 9 pages
Proc. SPIE 4012, X-Ray Optics, Instruments, and Missions III, (18 July 2000); doi: 10.1117/12.391572
Show Author Affiliations
Robert Petre, NASA Goddard Space Flight Ctr. (United States)
Carl G. Chen, Massachusetts Institute of Technology (United States)
Lester M. Cohen, Smithsonian Astrophysical Observatory (United States)
David A. Content, NASA Goddard Space Flight Ctr. (United States)
Richard J. Harms, RJH Scientific, Inc. (United States)
Glen P. Monnelly, Massachusetts Institute of Technology (United States)
Timo T. Saha, NASA Goddard Space Flight Ctr. (United States)
Mark L. Schattenburg, Massachusetts Institute of Technology (United States)
Peter J. Serlemitsos, NASA Goddard Space Flight Ctr. (United States)
William W. Zhang, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 4012:
X-Ray Optics, Instruments, and Missions III
Joachim E. Truemper; Bernd Aschenbach, Editor(s)

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