Environmental testing of the Athena telescope mirror modules

David A. Girou; Coen van Baren; Ivar te Kloeze; Luigi Castiglione; Ben Okma; Giuseppe Vacanti; Enrico Hauser; Ljubiša Babic; Alex Bayerle; Nicolas M. Barrière; Noë Eenkhoorn; Ramses Günther; Yvette Jenkins; Boris Landgraf; Laurens Keek; Aniket Thete; Sjoerd Verhoeckx; Mark Vervest; Luc Voruz; Maximilien Collon; Marco Beijersbergen; Sebastiaan Fransen; Gianni Campoli; Ivo Ferreira; Eric Wille; Marcos Bavdaz; Fabio Marioni; Giuseppe Valsecchi

doi:10.1117/12.2594230

23 August 2021 Environmental testing of the Athena telescope mirror modules

David A. Girou, Coen van Baren, Ivar te Kloeze, Luigi Castiglione, Ben Okma, Giuseppe Vacanti, Enrico Hauser, Ljubiša Babic, Alex Bayerle, Nicolas M. Barrière, Noë Eenkhoorn, Ramses Günther, Yvette Jenkins, Boris Landgraf, Laurens Keek, Aniket Thete, Sjoerd Verhoeckx, Mark Vervest, Luc Voruz, Maximilien Collon, Marco Beijersbergen, Sebastiaan Fransen, Gianni Campoli, Ivo Ferreira, Eric Wille, Marcos Bavdaz, Fabio Marioni, Giuseppe Valsecchi

Author Affiliations +

Proceedings Volume 11822, Optics for EUV, X-Ray, and Gamma-Ray Astronomy X; 1182209 (2021) https://doi.org/10.1117/12.2594230
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

The European Space Agency (ESA) is developing the Athena (Advanced Telescope for High ENergy Astrophysics) X-ray telescope, an L-class mission in their current Cosmic Vision cycle for long-term planning of space science missions. Silicon Pore Optics (SPO) are a new type of X-ray optics enabling future X-ray observatories such as Athena and are being developed at cosine with ESA as well as academic and industrial partners. These high-performance, modular, lightweight yet stiff, high-resolution X-ray optics shall allow missions to reach unprecedented combination of large effective area, good angular resolution and low mass. As the development of the Athena mission progresses, it is necessary to validate the SPO technology under launch conditions. To this end, ruggedisation and environmental testing studies are being conducted to ensure mechanical stability and optical performance of the optics before, during and after launch. In this paper, we report on the results of our completed environmental testing campaigns on mirror modules of middle radius (about 700 mm) of curvature. In these campaigns, each mirror module is first integrated then submitted to sine and random vibration tests, as well as shock tests, all in accordance with the upcoming Ariane launch vehicle and the mission requirements. Additionally, the mirror modules are characterized with X-ray before and after each test to verify the optical performance remains unchanged.

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David A. Girou, Coen van Baren, Ivar te Kloeze, Luigi Castiglione, Ben Okma, Giuseppe Vacanti, Enrico Hauser, Ljubiša Babic, Alex Bayerle, Nicolas M. Barrière, Noë Eenkhoorn, Ramses Günther, Yvette Jenkins, Boris Landgraf, Laurens Keek, Aniket Thete, Sjoerd Verhoeckx, Mark Vervest, Luc Voruz, Maximilien Collon, Marco Beijersbergen, Sebastiaan Fransen, Gianni Campoli, Ivo Ferreira, Eric Wille, Marcos Bavdaz, Fabio Marioni, and Giuseppe Valsecchi "Environmental testing of the Athena telescope mirror modules", Proc. SPIE 11822, Optics for EUV, X-Ray, and Gamma-Ray Astronomy X, 1182209 (23 August 2021); https://doi.org/10.1117/12.2594230

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