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QUBIC VII: The feedhorn-switch system of the technological demonstrator

by Ade, P , Franceschet, C , Dheilly, S , Manzan, E , Gervasi, M , De Gasperis, G , González, M , Montier, L , De Petris, M , García, B , Murphy, J A , Murphy, J D , Supanitsky, A D , Coppolecchia, A , Ph Bernard, J , May, A , O'Sullivan, C , Tomasi, M , Henrot-Versillé, S , Timbie, P , Grandsire, L , Bennett, D , Azzoni, S , Bergé, L , Vittorio, N , García Redondo, M E , Lamagna, L , Oriol, C , Ringegni, P , Romero, G E , Etchegoyen, A , De Leo, M , Fasciszewski, A , Mele, L , Viganò, D , Maffei, B , Ganga, K M , Kristukat, C , Charlassier, R , Polenta, G , Cavaliere, F , Duca, C , Giraud-Heraud, Y , Louis, T , Burke, D , Rambaud, D , Marty, W , Cobos Cerutti, A C , Puddu, R , Stolpovskiy, M , Olivieri, E , Masi, S , Hampel, M R , Aumont, J , Piat, M , Bonaparte, J , Schillaci, A , Voisin, F , J -P Thermeau , Giard, M , Bonis, J , Jules, E , Prêle, D , Wicek, F , Chanial, P , Loucatos, S , McCulloch, M , Spinelli, S , Paiella, A , Mundo, L M , Melo, D , Piccirillo, L , Mousset, L , Fracchia, D , Gaspard, M , Pelosi, A , Tucker, C , Alberro, J G , Mattei, A , Salum, J M , Tucker, G , Zannoni, M , Piacentini, F , Harari, D , Passerini, A , Scóccola, C , Almela, A , de Bernardis, P , Gilles, V , Pajot, F , Chapron, C , Kaplan, J , Torchinsky, S A , Pastoriza, H , Wri

in Aluminum / Bolometers / Chemical etching / Cosmology / Electromagnets / Horns / Knives / Platelets / Self calibration / Switches / Waveguides

2022

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QUBIC VII: The feedhorn-switch system of the technological demonstrator

in Aluminum / Bolometers / Chemical etching / Cosmology / Electromagnets / Horns / Knives / Platelets / Self calibration / Switches / Waveguides

2022

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QUBIC VII: The feedhorn-switch system of the technological demonstrator

in Aluminum / Bolometers / Chemical etching / Cosmology / Electromagnets / Horns / Knives / Platelets / Self calibration / Switches / Waveguides

2022

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Paper

QUBIC VII: The feedhorn-switch system of the technological demonstrator

Ade, P,

Franceschet, C,

Dheilly, S,

Manzan, E,

Gervasi, M,

De Gasperis, G,

González, M,

Montier, L,

De Petris, M,

García, B,

Murphy, J A,

Murphy, J D,

Supanitsky, A D,

Coppolecchia, A,

Ph Bernard, J,

May, A,

O'Sullivan, C,

Tomasi, M,

Henrot-Versillé, S,

Timbie, P,

Grandsire, L,

Bennett, D,

Azzoni, S,

Bergé, L,

Vittorio, N,

García Redondo, M E,

Lamagna, L,

Oriol, C,

Ringegni, P,

Romero, G E,

Etchegoyen, A,

De Leo, M,

Fasciszewski, A,

Mele, L,

Viganò, D,

Maffei, B,

Ganga, K M,

Kristukat, C,

Charlassier, R,

Polenta, G,

Cavaliere, F,

Duca, C,

Giraud-Heraud, Y,

Louis, T,

Burke, D,

Rambaud, D,

Marty, W,

Cobos Cerutti, A C,

Puddu, R,

Stolpovskiy, M,

Olivieri, E,

Masi, S,

Hampel, M R,

Aumont, J,

Piat, M,

Bonaparte, J,

Schillaci, A,

Voisin, F,

J -P Thermeau,

Giard, M,

Bonis, J,

Jules, E,

Prêle, D,

Wicek, F,

Chanial, P,

Loucatos, S,

McCulloch, M,

Spinelli, S,

Paiella, A,

Mundo, L M,

Melo, D,

Piccirillo, L,

Mousset, L,

Fracchia, D,

Gaspard, M,

Pelosi, A,

Tucker, C,

Alberro, J G,

Mattei, A,

Salum, J M,

Tucker, G,

Zannoni, M,

Piacentini, F,

Harari, D,

Passerini, A,

Scóccola, C,

Almela, A,

de Bernardis, P,

Gilles, V,

Pajot, F,

Chapron, C,

Kaplan, J,

Torchinsky, S A,

Pastoriza, H,

Wri

2022

Overview

We present the design, manufacturing and performance of the horn-switch system developed for the technological demonstrator of QUBIC (the \\(Q\\)\\&\\(U\\) Bolometric Interferometer for Cosmology). This system is constituted of 64 back-to-back dual-band (150\\,GHz and 220\\,GHz) corrugated feed-horns interspersed with mechanical switches used to select desired baselines during the instrument self-calibration. We manufactured the horns in aluminum platelets milled by photo-chemical etching and mechanically tightened with screws. The switches are based on steel blades that open and close the wave-guide between the back-to-back horns and are operated by miniaturized electromagnets. We also show the current development status of the feedhorn-switch system for the QUBIC full instrument, based on an array of 400 horn-switch assemblies.

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Publisher

Cornell University Library, arXiv.org

Subject

/ Horns

/ Knives