Detection chain and electronic readout of the QUBIC instrument

Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X Pub Date : 2020-12-13 DOI:10.1117/12.2561567

G. Stankowiak, M. Piat, E. Battistelli, G. D’Alessandro, P. Bernardis, M. Petris, Manuel Gonzalez, L. Grandsire, J. Hamilton, T. Hoang, S. Masi, S. Marnieros, A. Mennella, L. Mousset, C. O'sullivan, D. PRELE, A. Tartari, J. Thermeau, S. Torchinsky, F. Voisin, M. Zannoni, P. Ade, J. G. Alberro, A. Almela, G. Amico, L. H. Arnaldi, D. Auguste, J. Aumont, S. Azzoni, S. Banfi, B. Belier, A. Baù, D. Bennett, L. Bergé, J. Bernard, M. Bersanelli, M. Bigot-Sazy, J. Bonaparte, J. Bonis, E. Bunn, D. Burke, D. Buzi, F. Cavaliere, P. Chanial, C. Chapron, R. Charlassier, A. Cerutti, F. Columbro, A. Coppolecchia, G. Gasperis, M. Leo, S. Dheilly, C. Duca, L. Dumoulin, A. Etchegoyen, A. Fasciszewski, L. Ferreyro, D. Fracchia, C. Franceschet, M. M. G. Lerena, K. Ganga, B. Garcia, M. Redondo, M. Gaspard, D. Gayer, M. Gervasi, M. Giard, V. Gilles, Y. Giraud-Héraud, M. G. Berisso, M. Gradziel, M. Hampel, D. Harari, S. Henrot-Versillé, F. Incardona, E. Jules, J. Kaplan, C. Kristukat, L. Lamagna, S. Loucatos, T. Louis, B. Maffe

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Abstract

The Q and U Bolometric Interferometer for Cosmology (QUBIC) Technical Demonstrator (TD) aiming to shows the feasibility of the combination of interferometry and bolometric detection. The electronic readout system is based on an array of 128 NbSi Transition Edge Sensors cooled at 350mK readout with 128 SQUIDs at 1K controlled and amplified by an Application Specific Integrated Circuit at 40K. This readout design allows a 128:1 Time Domain Multiplexing. We report the design and the performance of the detection chain in this paper. The technological demonstrator unwent a campaign of test in the lab. Evaluation of the QUBIC bolometers and readout electronics includes the measurement of I-V curves, time constant and the Noise Equivalent Power. Currently the mean Noise Equivalent Power is ~ 2 x 10-16W= p √Hz

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QUBIC仪器的检测链和电子读数

Q和U宇宙学辐射干涉仪(QUBIC)技术演示器(TD)旨在展示干涉测量和辐射检测相结合的可行性。电子读出系统基于128个NbSi过渡边缘传感器阵列，该传感器在350mK读出时冷却，128个squid在1K时由专用集成电路控制和放大，在40K时进行放大。该读出设计允许128:1时域复用。本文报告了检测链的设计和性能。技术演示者在实验室里进行了一系列的测试。对QUBIC测辐射热计和读出电子器件的评估包括I-V曲线、时间常数和噪声等效功率的测量。目前平均噪声等效功率为~ 2 × 10-16W= p√Hz

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Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy X

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