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_US
dc.description.urihttps://ieeexplore.ieee.org/abstract/document/9376308/authors#authorsen_US
dc.format.extent5 pagesen_US
dc.genrejournal articlesen_US
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_US
dc.identifier.urihttps://doi.org/10.1109/TASC.2021.3065279
dc.identifier.urihttp://hdl.handle.net/11603/23996
dc.language.isoen_USen_US
dc.publisherIEEEen_US
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.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_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/*
dc.titleMitigation of Finite Bandwidth Effects in Time-Division-Multiplexed SQUID Readout of TES Arraysen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0001-8397-9338en_US
dcterms.creatorhttps://orcid.org/0000-0003-0622-5174en_US
dcterms.creatorhttps://orcid.org/0000-0002-9247-3010en_US

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