QUBIC (a Q and U Bolometric Interferometer for Cosmology) is a next generation cosmology experiment designed to detect the B-mode polarisation of the Cosmic Microwave Background (CMB). A B-mode detection is hard evidence of Inflation in the ΛCDM model. QUBIC aims to accomplish this by combining novel technologies to achieve the sensitivity required to detect the faint B-mode signal. QUBIC uses technologies such as a rotating half-wave plate, cryogenics, interferometric horns with self-calibration switches and transition edge sensor bolometers. A Technical Demonstrator (TD) is currently being calibrated in APC in Paris before observations in Argentina in 2021. As part of the calibration campaign, the spectral response of the TD is measured to test and validate QUBIC's spectro-imaging capability. This poster gives an overview of the methods used to measure the spectral response and a comparison of the instrument data with theoretical predictions and optical simulations.

Calibration of QUBIC: The Q and U bolometric interferometer for cosmology / Murphy, J. D.; Burke, D.; Gamboa Lerena, M. M.; Hamilton, J. -C.; Mousset, L.; De Petris, M.; Osullivan, C.; Torchinsky, S. A.; Ade, P.; Alberro, J. G.; Almela, A.; Amico, G.; Arnaldi, L. H.; Auguste, D.; Aumont, J.; Azzoni, S.; Banfi, S.; Belier, B.; Battistelli, E. S.; Bau, A.; Bennett, D.; Berge, L.; De Bernardis, P.; Bernard, J. -P.; Bersanelli, M.; Bigot-Sazy, M. -A.; Bonaparte, J.; Bonis, J.; Bunn, E.; Buzi, D.; Cavaliere, F.; Chanial, P.; Chapron, C.; Charlassier, R.; Cobos Cerutti, A. C.; Columbro, F.; Coppolecchia, A.; D'Alessandro, G.; De Gasperis, G.; De Leo, M.; Dheilly, S.; Duca, C.; Dumoulin, L.; Etchegoyen, A.; Fasciszewski, A.; Ferreyro, L. P.; Fracchia, D.; Franceschet, C.; Ganga, K. M.; Garcia, B.; Garcia Redondo, M. E.; Gaspard, M.; Gayer, D.; Gervasi, M.; Giard, M.; Gilles, V.; Giraud-Heraud, Y.; Grandsire, L.; Gomez Berisso, M.; Gonzalez, M.; Gradziel, M.; Hampel, M. R.; Harari, D.; Henrot-Versille, S.; Incardona, F.; Jules, E.; Kaplan, J.; Kristukat, C.; Lamagna, L.; Loucatos, S.; Louis, T.; Maffei, B.; Marnieros, S.; Marty, W.; Mattei, A.; May, A.; McCulloch, M.; Mele, L.; Masi, S.; Melo, D.; Mennella, A.; Montier, L.; Mundo, L. M.; Murphy, J. A.; Nati, F.; Olivieri, E.; Oriol, C.; Paiella, A.; Pajot, F.; Passerini, A.; Pastoriza, H.; Pelosi, A.; Perbost, C.; Perciballi, M.; Pezzotta, F.; Piacentini, F.; Piat, M.; Piccirillo, L.; Pisano, G.; Platino, M.; Polenta, G.; Prele, D.; Puddu, R.; Rambaud, D.; Rasztocky, E.; Ringegni, P.; Romero, G. E.; Salum, J. M.; Scoccola, C.; Schillaci, A.; Scully, S.; Spinelli, S.; Stankowiak, G.; Stolpovskiy, M.; Supanitsky, A. D.; Tartari, A.; Thermeau, J. -P.; Timbie, P.; Tomasi, M.; Tucker, G.; Tucker, C.; Vigano, D.; Vittorio, N.; Voisin, F.; Wicek, F.; Wright, M.; Zannoni, M.; Zullo, A.. - 11453:(2020), p. 174. ((Intervento presentato al convegno Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X 2020 tenutosi a usa [10.1117/12.2560172].

Calibration of QUBIC: The Q and U bolometric interferometer for cosmology

De Petris M.;Amico G.;Battistelli E. S.;De Bernardis P.;Columbro F.;Coppolecchia A.;D'Alessandro G.;Lamagna L.;Mele L.;Masi S.;Paiella A.;Perciballi M.;Piacentini F.;Pisano G.;
2020

Abstract

QUBIC (a Q and U Bolometric Interferometer for Cosmology) is a next generation cosmology experiment designed to detect the B-mode polarisation of the Cosmic Microwave Background (CMB). A B-mode detection is hard evidence of Inflation in the ΛCDM model. QUBIC aims to accomplish this by combining novel technologies to achieve the sensitivity required to detect the faint B-mode signal. QUBIC uses technologies such as a rotating half-wave plate, cryogenics, interferometric horns with self-calibration switches and transition edge sensor bolometers. A Technical Demonstrator (TD) is currently being calibrated in APC in Paris before observations in Argentina in 2021. As part of the calibration campaign, the spectral response of the TD is measured to test and validate QUBIC's spectro-imaging capability. This poster gives an overview of the methods used to measure the spectral response and a comparison of the instrument data with theoretical predictions and optical simulations.
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