XMM flight-mirror-modules environmental and optical testing

Yvan Stockman; Isabelle Domken; Hebert Hansen; Jean Philippe Tock; Daniel de Chambure; Philippe Gondoin

doi:10.1117/12.331245

19 November 1998 XMM flight-mirror-modules environmental and optical testing

Yvan Stockman, Isabelle Domken, Hebert Hansen, Jean Philippe Tock, Daniel de Chambure, Philippe Gondoin

Proceedings Volume 3444, X-Ray Optics, Instruments, and Missions; (1998) https://doi.org/10.1117/12.331245
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The X-ray Multi-Mirror Mission is one of the four 'Cornerstone' projects in the ESA Long-Term Program for Space Science. Presently, five XMM Mirror Modules (MM) have been tested in the FOCALX facility of CSL. The MMs are illuminated by a vertical EUV collimated beam allowing to get the optical performance in an effective flight configuration. To fully analyze the MM characteristics, reflectivity measurements are performed in X-ray thanks to a pencil beam. The reflectivity measurements of single shell are performed at Al, Au, Cu, Mo lines between 1.5 and 13 keV. This information is used to evaluate the effective area in X-rays. Wing scattering measurements are performed and show a good correlation with the Power Spectral Density measured with a PROMAP microscope interferometer during mirror shell manufacturing. This paper deals first with the presentation and comparison of the result achieved on the five MMs. In a second step the results of complementary tested, performed to cross check the data and to get a better understanding of the MM behavior, are discussed.

Citation Download Citation

Yvan Stockman, Isabelle Domken, Hebert Hansen, Jean Philippe Tock, Daniel de Chambure, and Philippe Gondoin "XMM flight-mirror-modules environmental and optical testing", Proc. SPIE 3444, X-Ray Optics, Instruments, and Missions, (19 November 1998); https://doi.org/10.1117/12.331245

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