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Microwave SQUID multiplexing of metallic magnetic calorimeters: status of multiplexer performance and room-temperature readout electronics development

To our present best knowledge, microwave SQUID multiplexing (μμ\mu MUXing) is the most suitable technique for reading out large-scale low-temperature microcalorimeter arrays that consist of hundreds or thousands of individual pixels which require a large readout bandwidth per pixel. For this reason,...

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Hauptverfasser: Wegner, Mathias (VerfasserIn) , Richter, Daniel Philipp (VerfasserIn) , Ahrens, Felix (VerfasserIn) , Sander, Oliver (VerfasserIn) , Kempf, Sebastian (VerfasserIn) , Weber, Marc (VerfasserIn) , Enss, Christian (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 26 February 2018
In: Journal of low temperature physics
Year: 2018, Jahrgang: 193, Heft: 3, Pages: 462-475
ISSN:1573-7357
DOI:10.1007/s10909-018-1878-3
Online-Zugang:Verlag, Volltext: https://doi.org/10.1007/s10909-018-1878-3
Volltext
Verfasserangaben:M. Wegner, N. Karcher, O. Krömer, D. Richter, F. Ahrens, O. Sander, S. Kempf, M. Weber, C. Enss
Beschreibung
Zusammenfassung:To our present best knowledge, microwave SQUID multiplexing (μμ\mu MUXing) is the most suitable technique for reading out large-scale low-temperature microcalorimeter arrays that consist of hundreds or thousands of individual pixels which require a large readout bandwidth per pixel. For this reason, the present readout strategy for metallic magnetic calorimeter (MMC) arrays combining an intrinsic fast signal rise time, an excellent energy resolution, a large energy dynamic range, a quantum efficiency close to 100%100%100\% as well as a highly linear detector response is based on μμ\mu MUXing. Within this paper, we summarize the state of the art in MMC μμ\mu MUXing and discuss the most recent results. This particularly includes the discussion of the performance of a 64-pixel detector array with integrated, on-chip microwave SQUID multiplexer, the progress in flux ramp modulation of MMCs as well as the status of the development of a software-defined radio-based room-temperature electronics which is specifically optimized for MMC readout.
Beschreibung:Gesehen am 25.09.2018
Beschreibung:Online Resource
ISSN:1573-7357
DOI:10.1007/s10909-018-1878-3

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