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Article
Astronomy & Astrophysics
M. Piat et al.
Summary: This article reports on the performance and characterization of the readout chain and transition edge sensors (TES) in the prototype version of the QUBIC bolometric interferometer for cosmology. The results show that the device is capable of conducting bolometric interferometry.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2022)
Article
Astronomy & Astrophysics
L. Mousset et al.
Summary: Bolometric interferometry is a novel technique for spectral imaging, which can differentiate between the cosmic microwave background and astrophysical foregrounds. This paper illustrates the methodology using QUBIC and investigates point source reconstruction and Galactic dust mapping, as well as the noise properties of spectral imaging.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2022)
Article
Astronomy & Astrophysics
J. -Ch. Hamilton et al.
Summary: QUBIC is a novel polarimeter designed to measure the B-mode polarization of the CMB, addressing the challenge of observational cosmology. It combines the advantages of interferometry and bolometric detectors to control instrumental systematic effects and achieve wide-band sensitivity. This article provides an overview of the instrument design, calibration results, and scientific program, including measurements of both primordial B-modes and Galactic foregrounds. It also presents the forecast for typical observations, showing a statistical sensitivity of Sigma(r) = 0.015.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2022)
Article
Astronomy & Astrophysics
S. Masi et al.
Summary: This study describes the design and experimental validation of the cryogenic system for the QUBIC experiment, which aims to measure the polarization of the Cosmic Microwave Background (CMB). The system has a large volume and mass, and uses cryogenic detector arrays and cold optical systems to enhance mapping speed. After more than 6 months of continuous operation testing, the system has been proven to operate stably.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2022)
Article
Astronomy & Astrophysics
F. Cavaliere et al.
Summary: This paper presents the design, manufacturing, and performance of the horn-switch system for the QUBIC technological demonstrator. The system, consisting of 64 dual-band corrugated feed-horns and mechanical switches, is used for selecting desired baselines during the instrument self-calibration. The electromagnetic performance of the feedhorns agrees with simulations, and the switches exhibit good return and insertion losses consistency and high isolation at 150 GHz.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2022)
Article
Astronomy & Astrophysics
G. D'Alessandro et al.
Summary: This paper presents the design and testing results of a crucial optical element, half-wave plate (HWP), for the QUBIC experiment. The rotating precision of the QUBIC HWP reaches 0.15 degrees using a stepper motor and custom-made optical encoder, without causing any thermal issues during measurements. Finite element thermal simulations estimate a maximum temperature gradient within the HWP of <= 10 mK. Polarization modulation measurements at 150 GHz demonstrate a polarization efficiency of over 99%.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2022)
Article
Astronomy & Astrophysics
S. A. Torchinsky et al.
Summary: This article reports on an extensive test campaign of a prototype version of the QUBIC instrument in Paris, demonstrating the viability of bolometric interferometry for measurements of the CMB polarization.
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
(2022)
Article
Physics, Applied
T. St Germaine et al.
JOURNAL OF LOW TEMPERATURE PHYSICS
(2020)
Article
Physics, Applied
Aamir M. Ali et al.
JOURNAL OF LOW TEMPERATURE PHYSICS
(2020)
Proceedings Paper
Astronomy & Astrophysics
C. O'Sullivan et al.
MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY IX
(2018)
Proceedings Paper
Astronomy & Astrophysics
D. Gayer et al.
MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY VIII
(2016)
Proceedings Paper
Astronomy & Astrophysics
G. Pisano et al.
MILLIMETER, SUBMILLIMETER, AND FAR-INFRARED DETECTORS AND INSTRUMENTATION FOR ASTRONOMY VII
(2014)
Article
Astronomy & Astrophysics
M. -A. Bigot-Sazy et al.
ASTRONOMY & ASTROPHYSICS
(2013)
Article
Astronomy & Astrophysics
E. Battistelli et al.
ASTROPARTICLE PHYSICS
(2011)
Article
Astronomy & Astrophysics
P. T. Timbie et al.
NEW ASTRONOMY REVIEWS
(2006)
