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Proceedings Paper

XMM flight model mirror module testing
Author(s): Yvan Stockman; P. Barzin; Hebert Hansen; Emmanuel Mazy; Jean Philippe Tock; Daniel de Chambure; Robert Laine; Dirk Kampf; R. Banham; Marina Canali; Gabriel Grisoni; Paolo G. Radaelli
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Paper Abstract

In the frame of the X-ray Multi Mirror Mission (XMM), the second European Space Agency (ESA) cornerstone project, in total five Flight Models of the Mirror Module have been built. The mirror Modules are the optical heart of the satellite. Each Mirror Module contains 58 x-ray optical quality MIrror Shells which have been produced and integrated by Media Lario. Each of these MIrror Modules has been tested in the Centre Spatial de Liege (CSL) FOCAL-X facility. The goal of these test was to measure the otpical performance of the Mirror Modules under simulated launch and in-orbit configurations, and to perform some calibration on the Mirror Modules. To achieve these goals, a full EUV collimated beam is used to assess the optical characteristic in a representative flight configuration. The x-ray performance is controlled by means of an x-ray pencil beam and an x-ray collimator. The pencil beam is used for the determination of the Mirror Shell position, wing scattering and x-ray reflectivity measurements, the later one for the effective area measurement over 1.5 to 8 keV energy range. This paper mainly deals with the latest results achieved on the Flight Model 4 Mirror Assembly and the fifth Flight Mirror Module. The first one is integrated on the spacecraft, the second has been built to serve as an additional spare flight MM of the highest quality and to further develop the mirror module production and measurement process. After the presentation of these test results, the lessons learned from the manufacturing and the testing of the mirrors will be presented.

Paper Details

Date Published: 29 September 1999
PDF: 11 pages
Proc. SPIE 3766, X-Ray Optics, Instruments, and Missions II, (29 September 1999); doi: 10.1117/12.363663
Show Author Affiliations
Yvan Stockman, Univ. de Liege (Belgium)
P. Barzin, Univ. de Liege (Belgium)
Hebert Hansen, Univ. de Liege (Belgium)
Emmanuel Mazy, Univ. de Liege (Belgium)
Jean Philippe Tock, Univ. de Liege (Belgium)
Daniel de Chambure, European Space Agency/ESTEC (Netherlands)
Robert Laine, European Space Agency/ESTEC (Netherlands)
Dirk Kampf, Kayser-Threde GmbH (Germany)
R. Banham, Media Lario (Italy)
Marina Canali, Media Lario (Italy)
Gabriel Grisoni, Media Lario (Italy)
Paolo G. Radaelli, Media Lario (Italy)

Published in SPIE Proceedings Vol. 3766:
X-Ray Optics, Instruments, and Missions II
Richard B. Hoover; Arthur B. C. Walker II, Editor(s)

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