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Thermal architecture for the QUBIC cryogenic receiver
- Source :
- Proc.SPIE Int.Soc.Opt.Eng., SPIE Astronomical Telescopes + Instrumentation 2018, SPIE Astronomical Telescopes + Instrumentation 2018, Jun 2018, Austin, United States. pp.107083V, ⟨10.1117/12.2312085⟩
- Publication Year :
- 2018
- Publisher :
- SPIE, 2018.
-
Abstract
- International audience; 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.
- Subjects :
- Cryostat
Physics - Instrumentation and Detectors
Cryogenics
Bolometric interferometry
QUBIC
interferometer
Cosmic microwave background
bolometric interferometry
cryogenics
experimental cosmology
heat switch
sorption cooler
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications1707 Computer Vision and Pattern Recognition
Applied Mathematics
Electrical and Electronic Engineering
FOS: Physical sciences
cosmic background radiation: polarization
7. Clean energy
01 natural sciences
law.invention
FIS/05 - ASTRONOMIA E ASTROFISICA
Optics
bolometer
law
0103 physical sciences
Thermal
[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
Sorption cooler
010306 general physics
010303 astronomy & astrophysics
Instrumentation and Methods for Astrophysics (astro-ph.IM)
Physics
Heat switch
business.industry
Bolometer
Detector
Instrumentation and Detectors (physics.ins-det)
Polarization (waves)
Experimental cosmology
Interferometry
cryogenics: design
B-mode
Millimeter, Submillimeter, Far-Infrared, Detectors, Instrumentation, Cryogenics, Cosmic Microwave Background
business
Astrophysics - Instrumentation and Methods for Astrophysics
Subjects
Details
- Language :
- English
- Database :
- OpenAIRE
- Journal :
- Proc.SPIE Int.Soc.Opt.Eng., SPIE Astronomical Telescopes + Instrumentation 2018, SPIE Astronomical Telescopes + Instrumentation 2018, Jun 2018, Austin, United States. pp.107083V, ⟨10.1117/12.2312085⟩
- Accession number :
- edsair.doi.dedup.....9f364ee4310b94ebeada5c2e2de2be74