Thermal architecture for the QUBIC cryogenic receiver

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,...

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Veröffentlicht in:	arXiv.org 2018-11
Hauptverfasser:	May, A J, Chapron, C, Coppi, G, D'Alessandro, G, de Bernardis, P, Masi, S, Melhuish, S, Piat, M, Piccirillo, L, Schillaci, A, J -P Thermeau, Auguste, D, Aumont, J, Barbara, G, Battaglia, P, Battistelli, E, Bau, A, Berge, L, -Ph Bernard, J, Bersanelli, M, M -A Bigot-Sazy, Bonis, J, Bordier, G, Bunn, E, Burke, D, Buzzelli, A, Cavaliere, F, Chanial, P, Charlassier, R, Columbro, F, Coppolecchia, A, D'Agostino, R, De Gasperis, G, De Petris, M, A Di Donato, Dumoulin, L, Fasciszewski, A, Franceschet, C, Gamboa Lerena, M M, Garcia, B, Garrido, X, Gaspard, M, Gault, A, Gervasi, M, Giard, M, Giraud-Heraud, Y, M Gomez Berisso, Gonzalez, M, Gradziel, M, Grandsire, L, Guerrard, E, J -Ch Hamilton, Harari, D, Haynes, V, Hoang, D T, Jules, E, Kaplan, J, Korotkov, A, Kristukat, C, Lamagna, L, Louis, T, Lowitz, A, Lukovic, V, Maffei, B, Marnieros, S, Medina, M C, Mele, L, Mennella, A, Montier, L, Mundo, L M, Murphy, J A, Murphy, J D, O'Sullivan, C, Olivieri, E, Paiella, A, Pajot, F, Passerini, A, Pastoriza, H, Pelosi, A, Perdereau, O, Pezzotta, F, Pisano, G, Polenta, G, Rambaud, D, Romero, G E, Salatino, M, Scoccola, C G, Scully, S, Spinelli, S, Stolpovskiy, M, Suarez, F, Tartari, A, Timbie, P, Tristram, M, Truongcanh, V, Tucker, C, Vanneste, S, Voisin, F, Watson, B, Zullo, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Anisotropy Big Bang theory Bolometers Coolers Cosmic microwave background Cosmology Sorption Thermal analysis
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Zusammenfassung:	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 novel 4He sorption cooler and a double-stage 3He/4He sorption cooler. We discuss the thermal and mechanical design of the cryostat, modelling and thermal analysis, and laboratory cryogenic testing.
ISSN:	2331-8422