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Design and advancement status of the Beam Expander Testing X-ray facility (BEaTriX)

Date Issued
2016
Author(s)
•
Pelliciari, Carlo
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Arcangeli, Luigina
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Bianucci, Giovanni
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•
•
•
•
•
Valsecchi, Giuseppe
•
•
Zappettini, Andrea
DOI
Abstract
The BEaTriX (Beam Expander Testing X-ray facility) project is an X-ray apparatus under construction at INAF/OAB to generate a broad (200́60 mm2), uniform and low-divergent X-ray beam within a small lab (6́15 m2). BEaTriX will consist of an X-ray source in the focus a grazing incidence paraboloidal mirror to obtain a parallel beam, followed by a crystal monochromation system and by an asymmetrically-cut diffracting crystal to perform the beam expansion to the desired size. Once completed, BEaTriX will be used to directly perform the quality control of focusing modules of large X-ray optics such as those for the ATHENA X-ray observatory, based on either Silicon Pore Optics (baseline) or Slumped Glass Optics (alternative), and will thereby enable a direct quality control of angular resolution and effective area on a number of mirror modules in a short time, in full X-ray illumination and without being affected by the finite distance of the X-ray source. However, since the individual mirror modules for ATHENA will have an optical quality of 3-4 arcsec HEW or better, BEaTriX is required to produce a broad beam with divergence below 1-2 arcsec, and sufficient flux to quickly characterize the PSF of the module without being significantly affected by statistical uncertainties. Therefore, the optical components of BEaTriX have to be selected and/or manufactured with excellent optical properties in order to guarantee the final performance of the system. In this paper we report the final design of the facility and a detailed performance simulation.
Coverage
Advances in X-Ray/EUV Optics and Components XI
All editors
Khounsary, Ali M.; Goto, Shunji; Morawe, Christian
Series
Volume
9963
Start page
996304
Conferenece
Advances in X-Ray/EUV Optics and Components XI
Conferenece place
San Diego, CA, USA
Conferenece date
31 August-1 September 2016
Uri
Url
Issn Identifier
0277-786X
Ads BibCode
2016SPIE.9963E..04S
Rights
open.access
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