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The XGIS instrument on-board THESEUS: The detection plane and on-board electronics

  • F. Fuschino
  • , R. Campana
  • , C. Labanti
  • , L. Amati
  • , E. Virgilli
  • , L. Terenzi
  • , P. Bellutti
  • , G. Bertuccio
  • , G. Borghi
  • , L. C. Bune Jensen
  • , F. Ficorella
  • , M. Gandola
  • , A. Gemelli
  • , M. Grassi
  • , P. Hedderman
  • , I. Kuvvetli
  • , G. la Rosa
  • , P. Lorenzi
  • , P. Malcovati
  • , F. Mele
  • P. Orleanski, M. Pedersen, A. Picciotto, A. Rachevski, I. Rashevskaya, A. Santangelo, P. Sarra, G. Sottile, D. Tcherniak, C. Tenzer, A. Vacchi, M. Winkler, G. Zampa, N. Zampa, N. Zorzi
    • Osservatorio di Astrofisica e Scienza dello Spazio di Bologna
    • Fondazione Bruno Kessler
    • Politecnico di Milano
    • University of Pavia
    • Trento Institute for Fundamental Physics and Applications
    • National Institute for Nuclear Physics
    • Eberhard-Karls-Universität Tübingen
    • National Institute for Astrophysics
    • Polish Academy of Sciences
    • OHB Italia SpA

    Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

    353 Downloads (Orbit)

    Abstract

    The X and Gamma Imaging Spectrometer instrument on-board the THESEUS mission (selected by ESA in the framework of the Cosmic Vision M5 launch opportunity, currently in phase A) is based on a detection plane composed of several thousands of single active elements. Each element comprises a 4.5×4.5×30 mm3 CsI(Tl) scintillator bar, optically coupled at both ends to Silicon Drift Detectors (SDDs). The SDDs acts both as photodetectors for the scintillation light and as direct X-ray sensors. In this paper the design of the XGIS detection plane is reviewed, outlining the strategic choices in terms of modularity and redundancy of the system. Results on detector-electronics prototypes are also described. Moreover, the design and development of the low-noise front-end electronics is presented, emphasizing the innovative architectural design based on custom-designed Application-Specific Integrated Circuits (ASICs).
    Original languageEnglish
    Title of host publicationSpace Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray
    EditorsJan-Willem A. den Herder, Shouleh Nikzad, Kazuhiro Nakazawa
    Number of pages15
    Volume11444
    PublisherSPIE - International Society for Optical Engineering
    Publication date2020
    Article number114448R
    DOIs
    Publication statusPublished - 2020
    EventSpace Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray - Online event
    Duration: 14 Dec 2020 → 18 Dec 2020

    Conference

    ConferenceSpace Telescopes and Instrumentation 2020: Ultraviolet to Gamma Ray
    LocationOnline event
    Period14/12/2020 → 18/12/2020
    SeriesProceedings of SPIE - The International Society for Optical Engineering
    ISSN0277-786X

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