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Suitability of magnetic microbolometers based on paramagnetic temperature sensors for CMB polarization measurements

Geria, Juan Manuel 1; Hampel, Matías Rolf; Kempf, Sebastian 1,2; Bonaparte, Juan Jose Fernando; Ferreyro, Luciano Pablo 2; Redondo, Manuel Elías García 2; Almela, Daniel Alejandro; Salum, Juan Manuel Sleibi 2; Müller, Nahuel Agustín 1; Neira, Jesus David Bonilla 1; Fuster, Alan Ezequiel; Platino, Manuel; Etchegoyen, Alberto
1 Institut für Mikro- und Nanoelektronische Systeme (IMS), Karlsruher Institut für Technologie (KIT)
2 Institut für Prozessdatenverarbeitung und Elektronik (IPE), Karlsruher Institut für Technologie (KIT)

Abstract (englisch):

High resolution maps of polarization anisotropies of the Cosmic Microwave Background (CMB) are in high demand, since the discovery of primordial B-Modes in the polarization patterns would confirm the inflationary phase of the Universe that would have taken place before the last scattering of the CMB at the recombination epoch. Transition Edge Sensors (TES) and Microwave Kinetic Inductance Detectors (MKID) are the predominant detector technologies of cryogenic detector array based CMB instruments that search for primordial B-Modes. In this paper we propose another type of cryogenic detector to be used for CMB survey: A magnetic microbolometer (MMB) that is based on a paramagnetic temperature sensor. It is an adaption of state-of-the-art metallic magnetic calorimeters (MMCs) that are meanwhile a key technology for high resolution α, β, γ and X-ray spectroscopy as well as the study of neutrino mass. The effort to adapt MMCs for CMB surveys is triggered by their lack of Johnson noise associated with the detector readout, the possibility of straightforward calibration and higher dynamic range given it possesses a broad and smooth responsivity dependence with temperature and the absence of Joule dissipation which simplifies the thermal design. ... mehr


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Originalveröffentlichung
DOI: 10.1117/1.JATIS.9.1.016002
Scopus
Zitationen: 4
Web of Science
Zitationen: 3
Dimensions
Zitationen: 9
Zugehörige Institution(en) am KIT Institut für Mikro- und Nanoelektronische Systeme (IMS)
Institut für Prozessdatenverarbeitung und Elektronik (IPE)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2023
Sprache Englisch
Identifikator ISSN: 2329-4124
KITopen-ID: 1000156194
HGF-Programm 54.12.01 (POF IV, LK 01) Detection and Measurement
Erschienen in Journal of Astronomical Telescopes, Instruments, and Systems
Verlag Society of Photo-optical Instrumentation Engineers (SPIE)
Band 9
Heft 1
Seiten Art.-Nr.: 016002
Vorab online veröffentlicht am 11.02.2023
Schlagwörter Instrumentation and Detectors (physics.ins-det), Cosmology and Nongalactic Astrophysics (astro-ph.CO)
Nachgewiesen in Scopus
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Web of Science
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