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    QUBIC: A Fizeau Interferometer Targeting Primordial B-Modes

    Tartari, A. and Aumont, J. and Banfi, S. and Battaglia, P. and Battistelli, E. and Bau, A. and Bélier, B. and Bennett, D. and Bergé, L. and Bernard, J.-P. and Bersanelli, M. and Bigot-Sazy, M.-A. and Bleurvacq, N. and Bordier, G. and Brossard, J. and Bunn, E.F. and Buzi, D. and Cammilleri, D. and Cavaliere, F. and Chanial, P. and Chapron, C. and Coppolecchia, A. and D'Alessandro, G. and De Bernardis, P. and Decourcelle, T. and Del Torto, F. and De Petris, M. and Dumoulin, L. and Franceschet, C. and Gault, A. and Gayer, D. and Gervasi, M. and Ghribi, A. and Giard, M. and Giraud-Héraud, Y. and Gradziel, Marcin and Grandsire, L. and Hamilton, J.-Ch. and Haynes, V. and Holtzer, N. and Kaplan, J. and Korotkov, A. and Landé, J. and Lowitz, A. and Maffei, B. and Marnieros, S. and Martino, J. and Masi, S. and McCulloch, M. and Melhuish, S. and Mennella, A. and Montier, L. and Murphy, J.Anthony and Néel, D. and Ng, M.W. and O'Sullivan, Créidhe and Pajot, F. and Passerini, A. and Perbost, C. and Piacentini, F. and Piat, M. and Piccirillo, L. and Pisano, G. and Prêle, D. and Rambaud, D. and Rigaut, O. and Salatino, M. and Schillaci, A. and Scully, S. and Stolpovskiy, M. and Timbie, P. and Tucker, G. and Viganò, D. and Voisin, F. and Watson, B. and Zannoni, M. (2016) QUBIC: A Fizeau Interferometer Targeting Primordial B-Modes. Journal of Low Temperature Physics, 184. pp. 739-745. ISSN 0022-2291

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    Q and U Bolometric Interferometer for Cosmology (QUBIC) is a Fizeau interferometer sensitive to linear polarisation, to be deployed at the Antarctic station of Dome C. This experiment in its final configuration will be operated at 97, 150 and 220 GHz and is intended to target CMB primordial B-modes in a multipole window 20<ℓ<150. A sensitivity of r=0.05 (95 % CL) can be reached by the first module alone, after 2 years of operation. Here we review in particular its working principles, and we show how the QUBIC interferometric configuration can be considered equivalent to a pupil-plane filtered imaging system. In this context, we show how our instrument can be self-calibrated. Finally, we conclude by showing an overview of the first dual-band module (150/220 GHz), which will serve also as a demonstrator for the subsequent units, and review the technological choices we made for each subsystem, with particular emphasis on the detection system.

    Item Type: Article
    Additional Information: Cite as: Tartari, A., Aumont, J., Banfi, S. et al. QUBIC: A Fizeau Interferometer Targeting Primordial B-Modes. J Low Temp Phys 184, 739–745 (2016).
    Keywords: Cosmic microwave background; Polarisation; B-mode;
    Academic Unit: Faculty of Science and Engineering > Experimental Physics
    Item ID: 14048
    Identification Number:
    Depositing User: Dr. Marcin Lukasz Gradziel
    Date Deposited: 19 Feb 2021 16:53
    Journal or Publication Title: Journal of Low Temperature Physics
    Publisher: Springer Verlag
    Refereed: Yes
    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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