Performance simulations for the ground-based, expanded-beam x-ray source BEaTriX
Date Issued
2021
Author(s)
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Bavdaz, Marcos
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Ferreira, Ivo
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Arcangeli, Luigina
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Rossi, Massimilano
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Burwitz, Vadim
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Rukdee, Surangkhana
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Hartner, Gisela
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Mueller, Thomas
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Schmidt, Thomas
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Langmeier, Andreas
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Della Monica Ferreira, Desiree
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Gellert, Nis C.
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Massahi, Sonny
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Christensen, Finn E.
Abstract
The BEaTriX (Beam Expander Testing X-ray) facility, being completed at INAF-Brera Astronomical Observatory, will represent an important step in the acceptance roadmap of Silicon Pore Optics mirror modules, and so ensure the final angular resolution of the ATHENA X-ray telescope. Aiming at establishing the final angular resolution that can be reached and the respective fabrication/positioning tolerances, we have been dealing with a set of comprehensive optical simulations. Simulations based on wave optics were carried out to predict the collimation performances of the paraboloidal mirror, including the effect of surface errors obtained from metrology. Full-ray-tracing routines were subsequently employed to simulate the full beamline. Finally, wavefront propagation simulation allowed us assessing the sensitivity and the response of a wavefront sensor that will be utilized for the qualification of the collimated beam. We report the simulation results and the methodologies we adopted.
Coverage
Advances in X-Ray/EUV Optics and Components XVI
All editors
Morawe, Christian; Khounsary, Ali M.; Goto, Shunji
Series
Volume
11837
Start page
25
Conferenece
Advances in X-Ray/EUV Optics and Components XVI
Conferenece place
San Diego, California, United States
Conferenece date
1-5 August, 2021
Issn Identifier
0277-786X
Ads BibCode
2021SPIE11837E..0OS
Rights
open.access
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