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Proceedings Paper • Open Access

Silicon pore optics for the international x-ray observatory

Paper Abstract

Lightweight X-ray Wolter optics with a high angular resolution will enable the next generation of X-ray telescopes in space. The International X-ray Observatory (IXO) requires a mirror assembly of 3 m2 effective area (at 1.5 keV) and an angular resolution of 5 arcsec. These specifications can only be achieved with a novel technology like Silicon Pore Optics, which is developed by ESA together with a consortium of European industry.

Silicon Pore Optics are made of commercial Si wafers using process technology adapted from the semiconductor industry. We present the manufacturing process ranging from single mirror plates towards complete focusing mirror modules mounted in flight configuration. The performance of the mirror modules is tested using X-ray pencil beams or full X-ray illumination. In 2009, an angular resolution of 9 arcsec was achieved, demonstrating the improvement of the technology compared to 17 arcsec in 2007. Further development activities of Silicon Pore Optics concentrate on ruggedizing the mounting system and performing environmental tests, integrating baffles into the mirror modules and assessing the mass production.

Paper Details

Date Published: 20 November 2017
PDF: 7 pages
Proc. SPIE 10565, International Conference on Space Optics — ICSO 2010, 105652L (20 November 2017); doi: 10.1117/12.2309240
Show Author Affiliations
E. Wille, ESA, ESTEC (Netherlands)
K. Wallace, ESA-ESTEC (Netherlands)
M. Bavdaz, ESA-ESTEC (Netherlands)
M. J. Collon, cosine Research B.V. (Netherlands)
R. Günther, cosine Research B.V. (Netherlands)
M. Ackermann, cosine Research B.V. (Netherlands)
M. W. Beijersbergen, cosine Research B.V. (Netherlands)
M. O. Riekerink, Micronit Microfluidics B.V. (Netherlands)
M. Blom, Micronit Microfluidics B.V. (Netherlands)
B. Lansdorp, Micronit Microfluidics B.V. (Netherlands)
L. de Vreede, Micronit Microfluidics B.V. (Netherlands)

Published in SPIE Proceedings Vol. 10565:
International Conference on Space Optics — ICSO 2010
Errico Armandillo; Bruno Cugny; Nikos Karafolas, Editor(s)

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