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Proceedings Paper

Production Of The First Mirror Shell For ESA's XMM Telescope By Application Of A Dedicated Large Area Replication Technique
Author(s): Wilhelm Egle; Horst Bulla; Paul Kaufmann; Bernd Aschenbach; Heinrich Brauninger
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Paper Abstract

For ESA's XMM Telescope three mirror modules, each consisting of 58 thin walled highly nested Wolter I mirrors, a large number of mirror shells are required. The specified performance of the XMM mirror modules require new design concepts and application of new technologies for the production of the lightweight mirror shells. Under ESA contract Zeiss leads an European industrial/scientific con-sortium to develop the technologies which allow production of real size XMM mirror shells by a dedicated metal/epoxy resin replication technique. In late 1988 the first full size XMM mirror shell was successfully replicated having the following characteristics: Total length: 600 mm Max. shell diameter: 400 mm Carrier material/thickness: CFRP/0.8 mm Replication layers: Gold/epoxy Total replicated mirror surface: 7500 cm2 Development, preparation and mirror shell replication are described. First results of the performance of the mirror shell after measurements and X-ray testing are presented.

Paper Details

Date Published: 28 July 1989
PDF: 12 pages
Proc. SPIE 1160, X-Ray/EUV Optics for Astronomy and Microscopy, (28 July 1989); doi: 10.1117/12.962668
Show Author Affiliations
Wilhelm Egle, Carl Zeiss (Germany)
Horst Bulla, Carl Zeiss (Germany)
Paul Kaufmann, Carl Zeiss (Germany)
Bernd Aschenbach, Max Planck Institut fur Extraterrestrische Physik (Germany)
Heinrich Brauninger, Max Planck Institut fur Extraterrestrische Physik (Germany)

Published in SPIE Proceedings Vol. 1160:
X-Ray/EUV Optics for Astronomy and Microscopy
Richard B. Hoover, Editor(s)

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