Thermal Load Minimization of the Frequency Domain Multiplexed Readout for the Athenar X-IFU Instrument

J. Van Der Kuur, L.G. Gottardi, H.A. Akamatsu, B.J. Van Leeuwen, R. Den Hartog, M. Kiviranta, B. Jackson

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    The high sensitivity of cryogenic TES-based detectors opens new windows for astrophysical observations ranging from (far) infrared to X-rays. A number of operational and future space and ground-based instruments rely on cryogenic detectors to improve their performance with respect to the capabilities of earlier technologies. To reach the required sensitivities, base temperatures as low as 50 mK are necessary, and stringent requirements on magnetic shielding, microvibrations, and temperature stability are applicable. To minimize the heat load and complexity of the instruments, efficient multiplexing schemes and low-power amplifiers are needed. In addition, for space-based cryogenic instruments, mechanical launch loads and power consumption limitations constrain the available parameter space for engineering further. This paper discusses the system design considerations which are applicable to optimize the multiplex factor within the boundary conditions as set by the space craft for the X-IFU instrument on the Athena observatory. More specifically, the interplay between the science requirements such as pixel dynamic range, pixel speed, and cross talk, and the space craft requirements such as the power dissipation budget, and available bandwidth will be discussed.
    Original languageEnglish
    Article number7835124
    JournalIEEE Transactions on Applied Superconductivity
    Volume27
    Issue number4
    DOIs
    Publication statusPublished - 1 Jun 2017
    MoE publication typeA1 Journal article-refereed

    Fingerprint

    Thermal load
    readout
    Cryogenics
    optimization
    cryogenics
    Pixels
    requirements
    Magnetic shielding
    Detectors
    vehicles
    pixels
    Observatories
    Power amplifiers
    Multiplexing
    magnetic shielding
    sensitivity
    detectors
    Energy dissipation
    power amplifiers
    Electric power utilization

    Keywords

    • Athena
    • microcalorimeter
    • multiplexing
    • power
    • SQUID
    • TES
    • X-IFU

    Cite this

    Van Der Kuur, J. ; Gottardi, L.G. ; Akamatsu, H.A. ; Van Leeuwen, B.J. ; Den Hartog, R. ; Kiviranta, M. ; Jackson, B. / Thermal Load Minimization of the Frequency Domain Multiplexed Readout for the Athenar X-IFU Instrument. In: IEEE Transactions on Applied Superconductivity. 2017 ; Vol. 27, No. 4.
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    Thermal Load Minimization of the Frequency Domain Multiplexed Readout for the Athenar X-IFU Instrument. / Van Der Kuur, J.; Gottardi, L.G.; Akamatsu, H.A.; Van Leeuwen, B.J.; Den Hartog, R.; Kiviranta, M.; Jackson, B.

    In: IEEE Transactions on Applied Superconductivity, Vol. 27, No. 4, 7835124, 01.06.2017.

    Research output: Contribution to journalArticleScientificpeer-review

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