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2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization

Kang, Jae Hwan and Aikin, R. W. and Bock, J. J. and Brevik, J. A. and Hildebrandt, S. R. and Hui, H. and Kefeli, S. and Lueker, M. and Moncelsi, L. and O'Brient, R. and Schillaci, A. and Soliman, A. and Staniszewski, Z. K. and Steinbach, B. and Teply, G. P. and Wandui, A. and Zhang, C. (2018) 2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization. In: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX. Proceedings of SPIE. No.10708. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 107082N. ISBN 9781510619692. http://resolver.caltech.edu/CaltechAUTHORS:20190110-103518548

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Abstract

BICEP3 is a 520mm aperture on-axis refracting telescope observing the polarization of the cosmic microwave background (CMB) at 95GHz in search of the B-mode signal originating from in ationary gravitational waves. BICEP3's focal plane is populated with modularized tiles of antenna-coupled transition edge sensor (TES) bolometers. BICEP3 was deployed to the South Pole during 2014-15 austral summer and has been operational since. During the 2016-17 austral summer, we implemented changes to optical elements that lead to better noise performance. We discuss this upgrade and show the performance of BICEP3 at its full mapping speed from the 2017 and 2018 observing seasons. BICEP3 achieves an order-of-magnitude improvement in mapping speed compared to a Keck 95GHz receiver. We demonstrate 6.6μK√s noise performance of the BICEP3 receiver.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.1117/12.2313854DOIArticle
Additional Information:© 2018 Society of Photo-optical Instrumentation Engineers (SPIE). The Bicep/Keck projects have 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, & 1726917, by the Gordon and Betty Moore Foundation, by the Keck Foundation, and by the grant 55802 from John Templeton 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 & 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 U.S. DoE Office of Science. We thank the staff of the U.S. Antarctic Program and in particular the South Pole Station without whose help this research would not have been possible. We thank all those who have contributed past efforts to the Bicep/Keck series of experiments, including the Bicep1 team. Tireless administrative support was provided by Kathy Deniston, Sheri Stoll, Irene Coyle, Donna Hernandez, Dana Volponi, and Julie Shih.
Funders:
Funding AgencyGrant Number
NSFOPP-0742818
NSFOPP-0742592
NSFOPP-1044978
NSFPLR-1110087
NSFOPP-1145172
NSFOPP-1145143
NSFOPP-1145248
NSFOPP-1639040
NSFOPP-1638957
NSFOPP-1638978
NSFOPP-1638970
NSFOPP-1726917
Gordon and Betty Moore FoundationUNSPECIFIED
W. M. Keck FoundationUNSPECIFIED
John Templeton Foundation55802
JPL Research and Technology Development FundUNSPECIFIED
NASA06-ARPA206-0040
NASA10-SAT10-0017
NASA12-SAT12-0031
NASA14-SAT14-0009
NASA16-SAT16-0002
Canada Foundation for InnovationUNSPECIFIED
Harvard UniversityUNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
Subject Keywords:Cosmic Microwave Background, Inflation, Gravitational Waves, Polarization, BICEP3, Keck Array
Record Number:CaltechAUTHORS:20190110-103518548
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20190110-103518548
Official Citation:Jae Hwan Kang, P. A. R. Ade, Z. Ahmed, R. W. Aikin, K. D. Alexander, D. Barkats, S. J. Benton, C. A. Bischoff, J. J. Bock, H. Boenish, R. Bowens-Rubin, J. A. Brevik, I. Buder, E. Bullock, V. Buza, J. Connors, J. Cornelison, B. P. Crill, M. Crumrine, M. Dierickx, L. Duband, C. Dvorkin, J. P. Filippini, S. Fliescher, J. A. Grayson, G. Hall, M. Halpern, S. Harrison, S. R. Hildebrandt, G. C. Hilton, H. Hui, K. D. Irwin, K. S. Karkare, E. Karpel, J. P. Kaufman, B. G. Keating, S. Kefeli, S. A. Kernasovskiy, J. M. Kovac, C. L. Kuo, N. A. Larsen, K. Lau, E. M. Leitch, M. Lueker, K. G. Megerian, L. Moncelsi, T. Namikawa, B. Netterfield, H. T. Nguyen, R. O'Brient, R. W. Ogburn, S. Palladino, C. Pryke, B. Racine, S. Richter, A. Schillaci, R. Schwarz, C. D. Sheehy, A. Soliman, T. St. Germaine, Z. K. Staniszewski, B. Steinbach, R. V. Sudiwala, G. P. Teply, K. L. Thompson, J. E. Tolan, C. Tucker, A. D. Turner, C. Umiltà, A. G. Vieregg, A. Wandui, A. C. Weber, D. V. Wiebe, J. Willmert, C. L. Wong, W. L. K. Wu, H. Yang, K, W. Yoon, C. Zhang, "2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization," Proc. SPIE 10708, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX, 107082N (10 July 2018); doi: 10.1117/12.2313854
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:92194
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:10 Jan 2019 20:28
Last Modified:10 Jan 2019 20:28

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