Environmental testing of silicon pore optics for Athena

David A. Girou; Boris Landgraf; Alex Bayerle; Maximilien Collon; Ljubiša Babić; Nicolas Barrière; Ramses Günther; Enrico Hauser; Laurens Keek; Ben Okma; Giuseppe Vacanti; Sjoerd Verhoeckx; Mark Vervest; Luc Voruz; Marco Beijersbergen; Eric Wille; Marcos Bavdaz; Sebastiaan Fransen; Coen van Baren; Alexander Eigenraam; Nikhil More

doi:10.1117/12.2530866

8 October 2019 Environmental testing of silicon pore optics for Athena

David A. Girou, Boris Landgraf, Alex Bayerle, Maximilien Collon, Ljubiša Babić, Nicolas Barrière, Ramses Günther, Enrico Hauser, Laurens Keek, Ben Okma, Giuseppe Vacanti, Sjoerd Verhoeckx, Mark Vervest, Luc Voruz, Marco Beijersbergen, Eric Wille, Marcos Bavdaz, Sebastiaan Fransen, Coen van Baren, Alexander Eigenraam, Nikhil More

Author Affiliations +

Proceedings Volume 11119, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX; 111190K (2019) https://doi.org/10.1117/12.2530866
Event: SPIE Optical Engineering + Applications, 2019, 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 an unprecedentedly large effective area of several square meters, operating in the 0.2 to 12 keV band with an angular resolution better than 5 arc seconds. As the development of 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. At cosine, a facility with shock, vibration, tensile strength, long time storage and thermal testing equipment has been set up to test SPO mirror module components for compliance with the upcoming Ariane launch vehicle and the mission requirements. In this paper, we report on the progress of our ongoing investigations regarding tests on mechanical and thermal stability of mirror module components such as single SPO stacks complete mirror modules of inner (R = 250 mm), middle (R = 737 mm) and outer (R = 1500 mm) radii.

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David A. Girou, Boris Landgraf, Alex Bayerle, Maximilien Collon, Ljubiša Babić, Nicolas Barrière, Ramses Günther, Enrico Hauser, Laurens Keek, Ben Okma, Giuseppe Vacanti, Sjoerd Verhoeckx, Mark Vervest, Luc Voruz, Marco Beijersbergen, Eric Wille, Marcos Bavdaz, Sebastiaan Fransen, Coen van Baren, Alexander Eigenraam, and Nikhil More "Environmental testing of silicon pore optics for Athena", Proc. SPIE 11119, Optics for EUV, X-Ray, and Gamma-Ray Astronomy IX, 111190K (8 October 2019); https://doi.org/10.1117/12.2530866

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