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Abstract

The Q & U Bolometric Interferometer for Cosmology (QUBIC) is a cosmology experiment that aims to measure the B-mode polarization of the cosmic microwave background (CMB). Measurements of the primordial B-mode pattern of the CMB polarization are in fact among the most exciting goals in cosmology as it would allow testing of the inflationary paradigm. Many experiments are attempting to measure the B-modes, from the ground and the stratosphere, using imaging Stokes polarimeters. The QUBIC collaboration developed an innovative concept to measure CMB polarization using bolometric interferometry. This approach mixes the high sensitivity of bolometric detectors with the accurate control of systematics due to the interferometric layout of the instrument. We present the calibration results for the Technological Demonstrator, before its commissioning in the Argentinian observing site and preparation for first light.

Item Type:	Article
Keywords:	Instruments; mm-wave; Applications; astrophysics; cosmology;
Academic Unit:	Faculty of Science and Engineering > Experimental Physics
Item ID:	18831
Identification Number:	https://doi.org/10.1007/s10909-022-02775-z
Depositing User:	Dr. Créidhe O'Sullivan
Date Deposited:	04 Sep 2024 10:17
Journal or Publication Title:	Journal of Low Temperature Physics
Publisher:	Springer Verlag
Refereed:	Yes
URI:	Publisher
Use Licence:	This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here

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