Thermal architecture for the QUBIC cryogenic receiver

A.J. May , C. Chapron , G. Coppi , G. D'Alessandro , P. De Bernardis , S. Masi , S. Melhuish , M. Piat

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L. Piccirillo A. Schillaci J.-P. Thermeau P. Ade G. Amico D. Auguste J. Aumont S. Banfi G. Barbara P. Battaglia E. Battistelli A. Bau B. Belier D. Bennett L. Berge J.-Ph. Bernard M. Bersanelli M.-A. Bigot-Sazy N. Bleurvacq J. Bonaparte J. Bonis G. Bordier E. Breelle E. Bunn D. Burke D. Buzi A. Buzzelli F. Cavaliere P. Chanial R. Charlassier F. Columbro A. Coppolecchia F. Couchot R. D'Agostino G. De Gasperis M. De Leo M. De Petris A. Di Donato L. Dumoulin A. Etchegoyen A. Fasciszewski C. Franceschet M.M. Gamboa Lerena B. Garcia X. Garrido M. Gaspard A. Gault D. Gayer M. Gervasi M. Giard Y. Giraud-Heraud M. Gomez Berisso M. Gonzalez M. Gradziel L. Grandsire E. Guerrard J.-Ch. Hamilton D. Harari V. Haynes S. Henrot-Versille D.T. Hoang F. Incardona E. Jules J. Kaplan A. Korotkov C. Kristukat L. Lamagna S. Loucatos T. Louis A. Lowitz V. Lukovic R. Luterstein B. Maffei S. Marnieros A. Mattei M.A. McCulloch M.C. Medina L. Mele A. Mennella L. Montier L.M. Mundo J.A. Murphy J.D. Murphy C. O'Sullivan E. Olivieri A. Paiella F. Pajot A. Passerini H. Pastoriza A. Pelosi C. Perbost O. Perdereau F. Pezzotta F. Piacentini G. Pisano G. Polenta D. Prele R. Puddu D. Rambaud P. Ringegni G.E. Romero M. Salatino C.G. Scoccola S. Scully S. Spinelli M. Stolpovskiy F. Suarez A. Tartari P. Timbie S.A. Torchinsky M. Tristram V. Truongcanh C. Tucker G. Tucker S. Vanneste D. Vigano N. Vittorio F. Voisin B. Watson F. Wicek M. Zannoni A. Zullo

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classification 🌌 astro-ph.IM physics.ins-det

keywords novelqubicthermalb-modebolometriccoolercryogeniccryostat

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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.

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Thermal architecture for the QUBIC cryogenic receiver

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