QUBIC, the QU Bolometric Interferometer for Cosmology, is a novel forthcoming instrument to measure the B-mode polarization anisotropy of the Cosmic Microwave Background. The detection of the B-mode signal will be extremely challenging; QUBIC has been designed to address this with a novel approach, namely bolometric interferometry. The receiver cryostat is exceptionally large and cools complex optical and detector stages to 40 K, 4 K, 1 K and 350 mK using two pulse tube coolers, a novel4He sorption cooler and a double-stage3He/4He sorption cooler. We discuss the thermal and mechanical design of the cryostat, modelling and thermal analysis, and laboratory cryogenic testing.

Thermal architecture for the QUBIC cryogenic receiver / May, A.J., Chapron, C., Coppi, G., D'Alessandro, G., De Bernardis, P., Masi, S., Melhuish, S., Piat, M., Piccirillo, L., Schillaci, A., Thermeau, J.-P., Ade, P., Amico, G., Auguste, D., Aumont, J., Banfi, S., Barbarán, G., Battaglia, P., Battistelli, E., Baù, A., et al.. - STAMPA. - 10708:(2018), p. 130. (Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX 2018 usa ) [10.1117/12.2312085].

Thermal architecture for the QUBIC cryogenic receiver

D'Alessandro, G.;De Bernardis, P.;Masi, S.;Amico, G.;Battistelli, E.;Buzzelli, A.;Columbro, F.;Coppolecchia, A.;De Gasperis, G.;De Petris, M.;Lamagna, L.;Mele, L.;Paiella, A.;Piacentini, F.;Pisano, G.;
2018

Abstract

QUBIC, the QU Bolometric Interferometer for Cosmology, is a novel forthcoming instrument to measure the B-mode polarization anisotropy of the Cosmic Microwave Background. The detection of the B-mode signal will be extremely challenging; QUBIC has been designed to address this with a novel approach, namely bolometric interferometry. The receiver cryostat is exceptionally large and cools complex optical and detector stages to 40 K, 4 K, 1 K and 350 mK using two pulse tube coolers, a novel4He sorption cooler and a double-stage3He/4He sorption cooler. We discuss the thermal and mechanical design of the cryostat, modelling and thermal analysis, and laboratory cryogenic testing.
2018
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX 2018
bolometric interferometry; cryogenics; experimental cosmology; heat switch; QUBIC; sorption cooler; Electronic, Optical and Magnetic Materials; Condensed Matter Physics; Computer Science Applications1707 Computer Vision and Pattern Recognition; Applied Mathematics; Electrical and Electronic Engineering
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
Thermal architecture for the QUBIC cryogenic receiver / May, A.J., Chapron, C., Coppi, G., D'Alessandro, G., De Bernardis, P., Masi, S., Melhuish, S., Piat, M., Piccirillo, L., Schillaci, A., Thermeau, J.-P., Ade, P., Amico, G., Auguste, D., Aumont, J., Banfi, S., Barbarán, G., Battaglia, P., Battistelli, E., Baù, A., et al.. - STAMPA. - 10708:(2018), p. 130. (Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX 2018 usa ) [10.1117/12.2312085].
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