The SPICA-SAFARI TES bolometer readout: Developments towards a flight system

J. van der Kuur (Corresponding Author), J. Beyer, M. Bruijn, J.R. Gao, R. Den Hartog, R. Heijmering, H. Hoevers, B. Jackson, B.J. Van Leeuwen, M. Lindeman, Mikko Kiviranta, P. de Korte, P. Mauskopf, P. de Korte, H. van Weers, S. Withington

    Research output: Contribution to journalArticleScientificpeer-review

    8 Citations (Scopus)


    SAFARI is an imaging Fourier Transform Spectrometer for 35–200 μm under development for flight on the Japanese IR-satellite SPICA (2018). The 3.25 m diameter actively cooled telescope (<6K) will provide a sky background limited signal, which implies that detectors will need to have an NEP of 3.5⋅10−19 W/√Hz in order not to be limiting the sensitivity. The instrument will utilize three TES-based detector arrays, covering the 2×2 arcmin field-of-view in three octaves of wave length. This contribution will present an overview of the detector sub-system, i.e.: the detector arrays and radiation coupling, the focal plane assembly, the amplification chain and the frequency-domain- multiplexed electronics. The focus will be on the implications on the system design of the readout under the stringent power dissipation, heat load, and weight limitations.
    Original languageEnglish
    Pages (from-to)561-567
    JournalJournal of Low Temperature Physics
    Issue number5-6
    Publication statusPublished - 2012
    MoE publication typeA1 Journal article-refereed


    • FDM
    • multiplexing
    • TES


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