29 September 1999 XMM flight model mirror module testing
Author Affiliations +
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.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yvan Stockman, Yvan Stockman, P. Barzin, P. Barzin, Hebert Hansen, Hebert Hansen, Emmanuel Mazy, Emmanuel Mazy, Jean Philippe Tock, Jean Philippe Tock, Daniel de Chambure, Daniel de Chambure, Robert Laine, Robert Laine, Dirk Kampf, Dirk Kampf, R. Banham, R. Banham, Marina Canali, Marina Canali, Gabriel Grisoni, Gabriel Grisoni, Paolo G. Radaelli, Paolo G. Radaelli, "XMM flight model mirror module testing", Proc. SPIE 3766, X-Ray Optics, Instruments, and Missions II, (29 September 1999); doi: 10.1117/12.363663; https://doi.org/10.1117/12.363663


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