Building the BEaTriX facility for the ATHENA mirror modules X-ray testing

Date Issued
2021
Author(s)
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Redaelli, E.
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Ferrari, C.
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Zappettini, A.
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Lolli, R.
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Sanchez Del Rio, M.
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Burwitz, V.
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Christensen, F.
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Ferreira, D. D.
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Gellert, N. C.
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Massahi, S.
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Bavdaz, M.
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Ferreira, I.
DOI
Abstract
BEaTriX (Beam Expander Testing X-ray) is the X-ray facility under construction at the INAF-Osservatorio Astronomico Brera (Merate, Italy) to prove that it is possible to perform the X-ray acceptance tests (PSF and Aeff) of the ATHENA mirror modules at the required rate and with the required accuracy. The unique optical setup makes use of a micro-focus X-ray source with anode in Titanium, a paraboloidal mirror with small radius of curvature, and a set of crystals to monochromate and expand the beam to fully illuminate the entrance pupil of the ATHENA MMs. The quality of the optical components, and their precise alignment, guarantees the production of a parallel beam at 4.51 keV, to be extended in a second phase to 1.49 keV in order to complete the acceptance requirements for the ATHENA MMs. The completion of the facility is expected to occur in July this year, while the commissioning will start in September. In this paper, we present the current status.
Coverage
Optics for EUV, X-Ray, and Gamma-Ray Astronomy X
All editors
O'Dell, Stephen L.; Gaskin, Jessica A.; Pareschi, Giovanni
Series
Volume
11822
Start page
16
Conferenece
SPIE OPTICAL ENGINEERING + APPLICATIONS
Conferenece place
San Diego
Conferenece date
1-5 August, 2021
Uri
Url
Issn Identifier
0277-786X
Rights
open.access
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