Q & U Bolometric Interferometer for Cosmology (QUBIC) is an international ground-based experiment dedicated in the measurement of the polarized fluctuations of the Cosmic Microwave Background. It is based on bolometric interferometry, an original detection technique which combines the immunity to systematic effects of an interferometer with the sensitivity of low-temperature incoherent detectors. QUBIC will be deployed in Argentina, at the Alto Chorrillos mountain site near San Antonio de los Cobres, in the Salta Province. The QUBIC detection chain consists in 2048 NbSi transition edge sensors (TESs) cooled to 350 mK.The voltage-biased TESs are read out with time domain multiplexing based on Superconducting QUantum Interference Devices at 1 K and a novel SiGe application-specific integrated circuit at 60 K allowing to reach an unprecedented multiplexing factor equal to 128. The QUBIC experiment is currently being characterized in the laboratory with a reduced number of detectors before upgrading to the full instrument. I will present the last results of this characterization phase with a focus on the detectors and readout system.

QUBIC: Using NbSi TESs with a Bolometric Interferometer to Characterize the Polarization of the CMB / M. Piat, B. Belier, L. Berge, N. Bleurvacq, C. Chapron, S. Dheilly, L. Dumoulin, M. Gonzalez, L. Grandsire, J.-. Hamilton, S. Henrot-Versille, D.T. Hoang, S. Marnieros, W. Marty, L. Montier, E. Olivieri, C. Oriol, C. Perbost, D. Prele, D. Rambaud, M. Salatino, G. Stankowiak, J.-. Thermeau, S. Torchinsky, F. Voisin, P. Ade, J.G. Alberro, A. Almela, G. Amico, L.H. Arnaldi, D. Auguste, J. Aumont, S. Azzoni, S. Banfi, P. Battaglia, E.S. Battistelli, A. Bau, D. Bennett, J.-. Bernard, M. Bersanelli, M.-. Bigot-Sazy, J. Bonaparte, J. Bonis, A. Bottani, E. Bunn, D. Burke, D. Buzi, A. Buzzelli, F. Cavaliere, P. Chanial, R. Charlassier, F. Columbro, G. Coppi, A. Coppolecchia, G. D'Alessandro, P. de Bernardis, G. De Gasperis, M. De Leo, M. De Petris, A. Di Donato, A. Etchegoyen, A. Fasciszewski, L.P. Ferreyro, D. Fracchia, C. Franceschet, M.M. Gamboa Lerena, K. Ganga, B. Garcia, M.E. Garcia Redondo, M. Gaspard, A. Gault, D. Gayer, M. Gervasi, M. Giard, V. Gilles, Y. Giraud-Heraud, M. Gomez Berisso, M. Gradziel, D. Harari, V. Haynes, F. Incardona, E. Jules, J. Kaplan, A. Korotkov, C. Kristukat, L. Lamagna, S. Loucatos, T. Louis, R. Luterstein, B. Maffei, S. Masi, A. Mattei, A. May, M. McCulloch, M.C. Medina, L. Mele, S. Melhuish, A. Mennella, L. Mousset, L.M. Mundo, J.A. Murphy, J.D. Murphy, F. Nati, C. O'Sullivan, A. Paiella, F. Pajot, A. Passerini, H. Pastoriza, A. Pelosi, M. Perciballi, F. Pezzotta, F. Piacentini, L. Piccirillo, G. Pisano, M. Platino, G. Polenta, R. Puddu, P. Ringegni, G.E. Romero, J.M. Salum, A. Schillaci, C. Scoccola, S. Scully, S. Spinelli, M. Stolpovskiy, F. Suarez, A. Tartari, P. Timbie, M. Tomasi, C. Tucker, G. Tucker, S. Vanneste, D. Vigano, N. Vittorio, B. Watson, F. Wicek, M. Zannoni, A. Zullo. - In: JOURNAL OF LOW TEMPERATURE PHYSICS. - ISSN 0022-2291. - 200:5-6(2020 Sep 01), pp. 363-373. [10.1007/s10909-020-02445-y]

QUBIC: Using NbSi TESs with a Bolometric Interferometer to Characterize the Polarization of the CMB

S. Banfi;P. Battaglia;M. Bersanelli;F. Cavaliere;A. Di Donato;C. Franceschet;F. Incardona;A. Mattei;A. Mennella;F. Pezzotta;M. Tomasi;A. Zullo
2020

Abstract

Q & U Bolometric Interferometer for Cosmology (QUBIC) is an international ground-based experiment dedicated in the measurement of the polarized fluctuations of the Cosmic Microwave Background. It is based on bolometric interferometry, an original detection technique which combines the immunity to systematic effects of an interferometer with the sensitivity of low-temperature incoherent detectors. QUBIC will be deployed in Argentina, at the Alto Chorrillos mountain site near San Antonio de los Cobres, in the Salta Province. The QUBIC detection chain consists in 2048 NbSi transition edge sensors (TESs) cooled to 350 mK.The voltage-biased TESs are read out with time domain multiplexing based on Superconducting QUantum Interference Devices at 1 K and a novel SiGe application-specific integrated circuit at 60 K allowing to reach an unprecedented multiplexing factor equal to 128. The QUBIC experiment is currently being characterized in the laboratory with a reduced number of detectors before upgrading to the full instrument. I will present the last results of this characterization phase with a focus on the detectors and readout system.
CMB; TDM; TESs;
Settore FIS/05 - Astronomia e Astrofisica
apr-2020
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/772825
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