Low-energy CZT detector array for the ASIM mission

Linga Reddy Cenkeramaddi, Georgi Genov, Anja Kohfeldt, Kare Njoten, Maja Elise Rostad, Yngve Skogseide, Magnus Roscoe, Arne Solberg, Johan Stadsnes, Kjetil Ullaland, Nikolai Østgaard, Carl Budtz-Jørgensen, Irfan Kuvvetli, Sindre Mikkelsen, Gunnar Mæhlum

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    Abstract

    In this article we introduce the low-energy CZT (CdZnTe) 16 384-pixel detector array on-board the Atmosphere Space Interaction Monitor (ASIM), funded by the European Space Agency. This detector is a part of the larger Modular X-and Gamma-ray sensor (MXGS). The CZT detector array is sensitive to photons with energies between 15 keV and 400 keV. The principal objective of the MXGS instrument is to detect Terrestrial Gamma ray Flashes (TGFs), which are related to thunderstorm activity. The concept of the detector array is presented, together with brief descriptions of its mechanical structure and electronics. A method for detector characterization is outlined and preliminary experimental results are shown.
    Original languageEnglish
    Title of host publicationProceedings of IEEE Instrumentation/Measurement Technology Conference (I2MTC)
    Number of pages5
    PublisherIEEE
    Publication date2012
    Pages2119-2123
    ISBN (Print)9781457717734
    DOIs
    Publication statusPublished - 2012
    EventIEEE International Instrumentation and Measurement Technology Conference (I2MTC): “Smart Measurements for a Sustainable Environment” - Congress Graz, Gratz, Austria
    Duration: 13 May 201216 May 2012
    http://imtc2012.ieee-ims.org/

    Conference

    ConferenceIEEE International Instrumentation and Measurement Technology Conference (I2MTC)
    LocationCongress Graz
    Country/TerritoryAustria
    CityGratz
    Period13/05/201216/05/2012
    Internet address

    Keywords

    • Gamma ray detector
    • X-ray detector
    • Radiation
    • Imaging
    • CZT detector
    • International Space Station
    • MXGS instrument
    • ASIM mission
    • Terrestrial Gamma Flashes

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