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Thin glass shell oriented to wide field x-ray telescope

Takahashi, Tadayuki, Civitani, M. M., Citterio, O., Campana, S., Conconi, P., Mattaini, E., Pareschi, G., Tagliaferri, G., Parodi, G., Burwitz, V., Hartner, G. D., Arnold, J., Schuler, S., Combrinck, H., Freeman, R., Morton, R., Simpson, P., Walker, D.D., Murray, Stephen S. and den Herder, Jan-Willem A. (2012) Thin glass shell oriented to wide field x-ray telescope. Proceedings of SPIE, 8443. 84430Q. ISSN 0277-786X

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The next generation wide-field X-ray telescope (WFXT), to be implemented beyond eRosita and proposed within the NASA RFI call 2011, requires an angular resolution of less than 10 arcsec (with goal of 5”) constant across a wide field of view (1 deg2). To achieve this requirement the design is based on nested modified grazing incidence Wolter-I mirrors with polynomial profiles. Our goals in terms of mass and stiffness can be meet with the use of fused silica glass, a wellknown material with good thermo-mechanical properties and polishability characteristics, together with an innovative polishing approach. Here we present the X-ray calibration results obtained for a prototypal shell tested in fullillumination mode at the Panter/MPE facility.

Item Type: Article
Schools: School of Computing and Engineering
School of Computing and Engineering > Centre for Precision Technologies
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Depositing User: Catherine Parker
Date Deposited: 29 Nov 2016 16:29
Last Modified: 28 Aug 2021 16:29


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