Nearly quantum-limited SQUIDs for a gravitational wave antenna

J. Flokstra, E. Bartolomé, G.K. van Ancum, M.J. van Duuren, H. Rogalla

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review


    Nearly quantum-limited Superconducting QUantum Interference Devices (SQUIDs) have to be used in resonant mass gravitational wave antennas to reach a displacement sensitivity of the order of 10–21 m/√Hz in a bandwidth of 100 Hz around the resonance frequency of about 900 Hz. The design of these SQUIDs will be described. We show that a good coupling between the inductive readout circuit and the SQUID can be obtained by choosing a relatively large hole size of the washer-type SQUID configuration.
    Original languageEnglish
    Title of host publicationSensor technology in the Netherlands - state of the art
    Subtitle of host publicationproceedings of the Dutch Sensor Conference, 2-3 March, 1998, University of Twente, the Netherlands
    EditorsA. van den Berg, P. Bergveld
    Place of PublicationDordrecht
    PublisherKluwer Academic Publishers
    Number of pages6
    ISBN (Electronic)978-94-011-5010-1
    ISBN (Print)978-94-010-6103-2
    Publication statusPublished - 14 Apr 1998
    EventDutch Sensor Conference 1998: Sensor Technology in the Netherlands: State of the Art - University of Twente, Enschede, Netherlands
    Duration: 2 Mar 19983 Mar 1998

    Publication series

    NameMESA monographs
    Publisher Kluwer Academic Publishers


    ConferenceDutch Sensor Conference 1998


    • SQUIDs
    • Quantum limit
    • Gravitational wave antenna


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