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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 3 CONTRIBUTI IN ATTI DI CONVEGNO (Proceedings)
  4. 3.01 Contributi in Atti di convegno
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/28793
Title: Optical simulations for the laboratory-based expanded and collimated x-ray beam facility BEaTriX
Authors: SPIGA, Daniele 
SALMASO, Bianca 
Bavdaz, Marcos
Pelliciari, Carlo
BASSO, Stefano 
Burwitz, Vadim
Ferreira, Ivo
GHIGO, Mauro 
GIRO, Enrico 
PARESCHI, Giovanni 
Sanchez del Rio, Manuel
TAGLIAFERRI, Gianpiero 
VECCHI, Gabriele 
Wille, Eric
Issue Date: 2019
Volume: Advances in Laboratory-based X-Ray Sources, Optics, and Applications VII
Editors: Murokh, Alex; Spiga, Daniele
Series: PROCEEDINGS OF SPIE 
Number: 11110
First Page: 111100E
Abstract: The construction of BEaTriX, the Beam Expander Testing X-ray facility, is underway at INAF-OAB (Osservatorio Astronomico di Brera). This laboratory-based X-ray source was designed to generate a broad (170 mm x 60 mm), uniform, and collimated X-ray beam, with a residual divergence of 1.5 arcsec HEW at either 1.49 keV and 4.51 keV. The main scientific driver for BEaTriX is represented by the opportunity to routinely calibrate the modular elements of the ATHENA (ESA) X-ray telescope, based on the silicon pore optics (SPO) technology. Nevertheless, the application domain of BEaTriX is potentially much wider (e.g., X-ray tomography). BEaTriX comprises a microfocus source of X-rays, followed by an optical chain including a collimating mirror, crystal monochromators, and an asymmetric beam expander. The final beam collimation and homogeneity relies on the optical quality of the optical components (X-ray source dimension, mirror polishing, crystal lattice regularity) and on their mutual alignment. In order to determine the most critical parameters, focus the development efforts, and establish specifications, a set of optical simulations has been built. Our paper describes the simulation tool we developed to this specific aim, and discusses the results achieved in terms of manufacturing and alignment tolerances.
Acknowledgments: The development of the BEaTriX facility is funded by the ESA contract No. 4000123152/18/NL/BW, “Advanced and Compact X-ray Test facility for the ATHENA SPO module”, the AHEAD consortium activities financed by the EU Horizon 2020 grant No. 654215, and INAF internal funds.
Conference Name: Advances in Laboratory-based X-Ray Sources, Optics, and Applications VII
Conference Place: San Diego, California
Conference Date: 11-15 August, 2019
URI: http://hdl.handle.net/20.500.12386/28793
URL: https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11110/2530066/Optical-simulations-for-the-laboratory-based-expanded-and-collimated-x/10.1117/12.2530066.full
ISSN: 0277-786X
ISBN: 9781510629134
9781510629141
DOI: 10.1117/12.2530066
Fulltext: open
Appears in Collections:3.01 Contributi in Atti di convegno

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