Mitigation of Finite Bandwidth Effects in Time-Division-Multiplexed SQUID Readout of TES Arrays

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dc.contributor.authorDurkin, Malcolm
dc.contributor.authorAdams, Joseph S.
dc.contributor.authorBandler, Simon R.
dc.contributor.authorChervenak, James A.
dc.contributor.authorMiniussi, Antoine R.
dc.contributor.authorSakai, Kazuhiro
dc.contributor.authorSmith, Stephen J.
dc.contributor.authorWakeham, Nicholas
dc.contributor.authoret al
dc.date.accessioned2022-01-13T17:05:25Z
dc.date.available2022-01-13T17:05:25Z
dc.date.issued2021-03-11
dc.description.abstractTime division multiplexing (TDM) is being developed as the readout technology of the X-ray integral field unit (X-IFU), a 3,168-pixel X-ray transition-edge sensor (TES) imaging spectrometer that is part of the European Space Agency's Athena satellite mission. Recent improvements in the low X-ray event count rate performance of TDM have been driven by increases in multiplexer bandwidth and the mitigation of settling transients. These methods and design changes have improved the 32-row multiplexed resolution of a NASA LPA 2.5a array from an initial (2.73 ± 0.03) eV to (1.97 ± 0.01) eV resolution at 5.9 keV. We discuss these recent advances in TDM readout, which have been implemented in an 8-column × 32-row spectrometer that will be deployed at the Lawrence Livermore National Laboratory electron beam ion trap (EBIT) facility, and present a model that will inform the design of future systems.en
dc.description.urihttps://ieeexplore.ieee.org/abstract/document/9376308/authors#authorsen
dc.format.extent5 pagesen
dc.genrejournal articlesen
dc.identifierdoi:10.13016/m2pfhp-junw
dc.identifier.citationM. Durkin et al., "Mitigation of Finite Bandwidth Effects in Time-Division-Multiplexed SQUID Readout of TES Arrays," in IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, Aug. 2021, Art no. 1600905, doi: 10.1109/TASC.2021.3065279.en
dc.identifier.urihttps://doi.org/10.1109/TASC.2021.3065279
dc.identifier.urihttp://hdl.handle.net/11603/23996
dc.language.isoenen
dc.publisherIEEEen
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Physics Department
dc.rightsPublic Domain Mark 1.0*
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/*
dc.titleMitigation of Finite Bandwidth Effects in Time-Division-Multiplexed SQUID Readout of TES Arraysen
dc.typeTexten
dcterms.creatorhttps://orcid.org/0000-0001-8397-9338en
dcterms.creatorhttps://orcid.org/0000-0003-0622-5174en
dcterms.creatorhttps://orcid.org/0000-0002-9247-3010en

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