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Design and Performance of the First BICEP Array Receiver

Schillaci, A. and Ade, P. A. R. and Ahmed, Z. and Amiri, M. and Barkats, D. and Basu Thakur, R. and Bischoff, C. A. and Bock, J. J. and Boenish, H. and Bullock, E. and Buza, V. and Cheshire, J. and Connors, J. and Cornelison, J. and Crumrine, M. and Cukierman, A. and Dierickx, M. and Duband, L. and Fatigoni, S. and Filippini, J. P. and Hall, G. and Halpern, M. and Harrison, S. and Henderson, S. and Hildebrandt, S. R. and Hilton, G. C. and Hui, H. and Irwin, K. D. and Kang, J. and Karkare, K. S. and Karpel, E. and Kefeli, S. and Kovac, J. M. and Kuo, C. L. and Lau, K. and Megerian, K. G. and Moncelsi, L. and Namikawa, T. and Nguyen, H. T. and O’Brient, R. and Palladino, S. and Precup, N. and Prouve, T. and Pryke, C. and Racine, B. and Reintsema, C. D. and Richter, S. and Schmitt, B. L. and Schwarz, R. and Sheehy, C. D. and Soliman, A. and St. Germaine, T. and Steinbach, B. and Sudiwala, R. V. and Thompson, K. L. and Tucker, C. and Turner, A. D. and Umiltà, C. and Vieregg, A. G. and Wandui, A. and Weber, A. C. and Wiebe, D. V. and Willmert, J. and Wu, W. L. K. and Yang, E. and Yoon, K. W. and Young, E. and Yu, C. and Zhang, C. (2020) Design and Performance of the First BICEP Array Receiver. Journal of Low Temperature Physics, 199 (3-4). pp. 976-984. ISSN 0022-2291. doi:10.1007/s10909-020-02394-6.

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Branches of cosmic inflationary models, such as slow-roll inflation, predict a background of primordial gravitational waves that imprints a unique odd-parity “B-mode” pattern in the Cosmic Microwave Background (CMB) at amplitudes that are within experimental reach. The BICEP/Keck (BK) experiment targets this primordial signature, the amplitude of which is parameterized by the tensor-to-scalar ratio r, by observing the polarized microwave sky through the exceptionally clean and stable atmosphere at the South Pole. B-mode measurements require an instrument with exquisite sensitivity, tight control of systematics, and wide frequency coverage to disentangle the primordial signal from the Galactic foregrounds. BICEP Array represents the most recent stage of the BK program and comprises four BICEP3-class receivers observing at 30/40, 95, 150 and 220/270 GHz. The 30/40 GHz receiver will be deployed at the South Pole during the 2019/2020 austral summer. After 3 full years of observations with 30,000+ detectors, BICEP Array will measure primordial gravitational waves to a precision σ(r) between 0.002 and 0.004, depending on foreground complexity and the degree of lensing removal. In this paper, we give an overview of the instrument, highlighting the design features in terms of cryogenics, magnetic shielding, detectors and readout architecture as well as reporting on the integration and tests that are ongoing with the first receiver at 30/40 GHz.

Item Type:Article
Related URLs:
URLURL TypeDescription ReadCube access Paper
Schillaci, A.0000-0002-0512-1042
Ade, P. A. R.0000-0002-5127-0401
Basu Thakur, R.0000-0002-3351-3078
Bock, J. J.0000-0002-5710-5212
Connors, J.0000-0002-6094-2943
Cukierman, A.0000-0002-7471-719X
Dierickx, M.0000-0002-3519-8593
Filippini, J. P.0000-0001-8217-6832
Halpern, M.0000-0002-1760-0868
Hildebrandt, S. R.0000-0003-0220-0009
Hilton, G. C.0000-0003-4247-467X
Karkare, K. S.0000-0002-5215-6993
Moncelsi, L.0000-0002-4242-3015
Tucker, C.0000-0002-1851-3918
Wandui, A.0000-0002-8232-7343
Wu, W. L. K.0000-0001-5411-6920
Zhang, C.0000-0001-8288-5823
Additional Information:© 2020 Springer Nature Switzerland AG. Received 04 September 2019; Accepted 05 February 2020; Published 17 February 2020. The BICEP/Keck project has been made possible through a series of Grants from the National Science Foundation including 0742818, 0742592, 1044978, 1110087, 1145172, 1145143, 1145248, 1639040, 1638957, 1638978, 1638970, and 1726917 and by the Keck Foundation. The development of antenna-coupled detector technology was supported by the JPL Research and Technology Development Fund and NASA Grants 06-ARPA206-0040, 10-SAT10-0017, 12-SAT12-0031, 14-SAT14-0009 and 16-SAT16-0002. The development and testing of focal planes were supported by the Gordon and Betty Moore Foundation at Caltech. Readout electronics were supported by a Canada Foundation for Innovation grant to UBC. The computations in this paper were run on the Odyssey cluster supported by the FAS Science Division Research Computing Group at Harvard University. The analysis effort at Stanford and SLAC is partially supported by the US DoE Office of Science. We thank the staff of the US Antarctic Program and in particular the South Pole Station without whose help this research would not have been possible. Tireless administrative support was provided by Kathy Deniston, Sheri Stoll, Irene Coyle, Donna Hernandez, and Dana Volponi.
Group:Astronomy Department
Funding AgencyGrant Number
W. M. Keck FoundationUNSPECIFIED
JPL Research and Technology Development FundUNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Canada Foundation for InnovationUNSPECIFIED
Harvard UniversityUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Subject Keywords:Cosmology; B-mode polarization; Inflation; CMB; BICEP Array
Issue or Number:3-4
Record Number:CaltechAUTHORS:20200225-111516904
Persistent URL:
Official Citation:Schillaci, A., Ade, P.A.R., Ahmed, Z. et al. Design and Performance of the First BICEP Array Receiver. J Low Temp Phys 199, 976–984 (2020).
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:101535
Deposited By: Tony Diaz
Deposited On:25 Feb 2020 20:17
Last Modified:16 Nov 2021 18:03

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