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Proceedings ArticleDOI

Performance simulations for the ground-based, expanded-beam x-ray source BEaTriX

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TLDR
In this paper, a set of comprehensive optical simulations were used to predict the collimation performances of the paraboloidal mirror, including the effect of surface errors obtained from metrology.
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.

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Proceedings ArticleDOI

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

TL;DR: The Beam Expander Testing X-ray facility (BEaTriX) as mentioned in this paper is a beam expansion testbed at INAF/OABT to generate a broad (200 x 60 mm2) uniform and low-divergent beam within a small lab (6 x 15 m2).
References
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Proceedings ArticleDOI

New x-ray parallel beam facility XPBF 2.0 for the characterization of silicon pore optics

TL;DR: In this paper, a new X-ray parallel beam facility (XPBF 2.0) has been installed in the laboratory of the Physikalisch-Technische Bundesanstalt at the synchrotron radiation facility BESSY II in Berlin to characterize silicon pore optics (SPOs) for the future Xray observatory ATHENA.
Journal ArticleDOI

Asymmetrically cut crystals for synchrotron radiation monochromators

TL;DR: In this paper, the authors extended SHADOW to include asymmetrically cut crystals for use in synchrotron radiation monochromators because of their good energy resolution characteristics and their focusing properties.
Proceedings ArticleDOI

Expanded beam x-ray optics calibration facility at the Daresbury Synchrotron

TL;DR: The Daresbury Synchrotron as discussed by the authors provides a continuously tunable beam with (Delta) (lambda) /(lambda)
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