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

Daniele Spiga*, Bianca Salmaso, Stefano Basso, Mauro Ghigo, Giorgia Sironi, Gabriele Vecchi, Vincenzo Cotroneo, Paolo Conconi, Giovanni Pareschi, Gianpiero Tagliaferri, Marcos Bavdaz, Ivo Ferreira, Luigina Arcangeli, Massimilano Rossi, Vadim Burwitz, Surangkhana Rukdee, Gisela Hartner, Thomas Mueller, Thomas Schmidt, Andreas LangmeierDesiree Della Monica Ferreira, Nis C. Gellert, Sonny Massahi, Finn E. Christensen

*Corresponding author for this work

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

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    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.
    Original languageEnglish
    Title of host publicationProceedings of SPIE : Advances in X-Ray/EUV Optics and Components XVI
    EditorsChristian Morawe, Ali M. Khounsary, Shunji Goto
    Number of pages15
    Volume11837
    PublisherSPIE - International Society for Optical Engineering
    Publication date2021
    Article number118370O
    ISBN (Print)9781510645127
    ISBN (Electronic)9781510645134
    DOIs
    Publication statusPublished - 2021
    EventSPIE Optical Engineering + Applications 2021 - San Diego, United States
    Duration: 1 Aug 20215 Aug 2021

    Conference

    ConferenceSPIE Optical Engineering + Applications 2021
    Country/TerritoryUnited States
    CitySan Diego
    Period01/08/202105/08/2021
    SeriesProceedings of SPIE - The International Society for Optical Engineering
    ISSN0277-786X

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