Published July 9, 2018
| Published
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Thermal architecture for the QUBIC cryogenic receiver
- Creators
- May, A. J.
- Schillaci, A.
- Others:
- Zmuidzinas, Jonas
- Gao, Jian-Rong
Chicago
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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 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.
Additional Information
© 2018 Society of Photo-optical Instrumentation Engineers (SPIE). The authors would like to acknowledge the support of INFN in Italy and IN2P3 in France. The APC team acknowledges the support of the UnivEarthS Labex program at Sorbonne Paris Cité (ANR-10-LABX-0023 and ANR-11-IDEX-0005-02). The University of Manchester team would like to acknowledge the support of STFC grant ST/L000768/1 and the assistance of the School of Physics and Astronomy workshop in manufacture of many of the sub-4 K systems detailed in this paper. AJM is supported by an STFC PhD studentship and his attendance is supported by the Institute of Physics Low Temperature Group.Attached Files
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Additional details
- Eprint ID
- 92148
- Resolver ID
- CaltechAUTHORS:20190108-154121220
- Istituto Nazionale di Fisica Nucleare (INFN)
- Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)
- Agence Nationale pour la Recherche (ANR)
- ANR-10-LABX-0023
- Agence Nationale pour la Recherche (ANR)
- ANR-11-IDEX-0005-02
- Science and Technology Facilities Council (STFC)
- ST/L000768/1
- Created
-
2019-01-09Created from EPrint's datestamp field
- Updated
-
2021-11-16Created from EPrint's last_modified field
- Series Name
- Proceedings of SPIE
- Series Volume or Issue Number
- 10708