SPT-3G: A Multichroic Receiver for the South Pole Telescope

Anderson, A. J.; Ade, P. A. R.; Ahmed, Z.; Austermann, J. E.; Avva, J. S.; Barry, P. S.; Basu Thakur, R.; Bender, A. N.; Benson, B. A.; Bleem, L. E.; Byrum, K.; Carlstrom, J. E.; Carter, F. W.; Cecil, T.; Chang, C. L.; Ding, J.; Gannon, R. N.; Harke-Hosemann, A. H.; Khaire, T.; Kuhlmann, S.; Novosad, V.; Pearson, J.; Posada, C. M.; Saunders, L. J.; Wang, G.; Yefremenko, V.

doi:10.1007/s10909-018-2007-z

SPT-3G: A Multichroic Receiver for the South Pole Telescope

Journal Article · Sat Dec 01 04:00:00 EST 2018 · Journal of Low Temperature Physics

DOI:https://doi.org/10.1007/s10909-018-2007-z· OSTI ID:1572475

Anderson, A. J.; Ade, P. A. R.; Ahmed, Z.; Austermann, J. E.; Avva, J. S.; Barry, P. S.; Basu Thakur, R.; Bender, A. N.; Benson, B. A.; Bleem, L. E.; Byrum, K.; Carlstrom, J. E.; Carter, F. W.; Cecil, T.; Chang, C. L.; Ding, J.; Gannon, R. N.; Harke-Hosemann, A. H.; Khaire, T.; Kuhlmann, S. more »

A new receiver for the South Pole Telescope, SPT-3G, was deployed in early 2017 to map the cosmic microwave background at 95, 150, and 220 GHz with similar to 16,000 detectors, 10 times more than its predecessor SPTpol. The increase in detector count is made possible by lenslet-coupled trichroic polarization-sensitive pixels fabricated at Argonne National Laboratory, new 68x frequency-domain multiplexing readout electronics, and a higher-throughput optical design. The enhanced sensitivity of SPT-3G will enable a wide range of results including constraints on primordial B-mode polarization, measurements of gravitational lensing of the CMB, and a galaxy cluster survey. Here we present an overview of the instrument and its science objectives, highlighting its measured performance and plans for the upcoming 2018 observing season.

Research Organization:: Argonne National Laboratory (ANL)

Sponsoring Organization:: National Science Foundation (NSF); Natural Sciences and Engineering Research Council of Canada (NSERC); USDOE Office of Science

DOE Contract Number:: AC02-06CH11357

OSTI ID:: 1572475

Journal Information:: Journal of Low Temperature Physics, Journal Name: Journal of Low Temperature Physics Journal Issue: 5-6 Vol. 193; ISSN 0022-2291

Country of Publication:: United States

Language:: English

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Year two instrument status of the SPT-3G cosmic microwave background receiver Carter, Faustin W.; Cecil, Thomas W.; Chang, Clarence L. Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX https://doi.org/10.1117/12.2312426	conference	August 2018
Low-Temperature Detectors for CMB Imaging Arrays Hubmayr, J.; Austermann, J. E.; Beall, J. A. Journal of Low Temperature Physics, Vol. 193, Issue 3-4 https://doi.org/10.1007/s10909-018-2029-6	journal	August 2018
On-sky performance of the SPT-3G frequency-domain multiplexed readout Bender, A. N.; Anderson, A. J.; Avva, J. S. arXiv https://doi.org/10.48550/arxiv.1907.10947	text	January 2019
Highly-multiplexed microwave SQUID readout using the SLAC Microresonator Radio Frequency (SMuRF) electronics for future CMB and sub-millimeter surveys Henderson, Shawn W.; Ahmed, Zeeshan; Brown, David Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX https://doi.org/10.1117/12.2314435	conference	July 2018
Characterization and performance of the second-year SPT-3G focal plane Ahmed, Zeeshan; Thakur, Ritoban B.; Bender, Amy N. Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX https://doi.org/10.1117/12.2312451	conference	July 2018
Demonstration of 220/280 GHz Multichroic Feedhorn-Coupled TES Polarimeter Walker, S.; Sierra, C. E.; Austermann, J. E. Journal of Low Temperature Physics, Vol. 199, Issue 3-4 https://doi.org/10.1007/s10909-019-02316-1	journal	January 2020
On-Sky Performance of the SPT-3G Frequency-Domain Multiplexed Readout Bender, A. N.; Anderson, A. J.; Avva, J. S. Journal of Low Temperature Physics, Vol. 199, Issue 1-2 https://doi.org/10.1007/s10909-019-02280-w	journal	December 2019
Design and characterization of the SPT-3G receiver Sobrin, Joshua A.; Ade, Peter; Ahmed, Zeeshan Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX https://doi.org/10.1117/12.2314366	conference	August 2018
Digital frequency multiplexing with sub-Kelvin SQUIDs Lowitz, Amy E.; Bender, Amy N.; Dobbs, Matthew A. Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy IX https://doi.org/10.1117/12.2311984	conference	July 2018
The Physics of Galaxy Cluster Outskirts Walker, Stephen; Simionescu, Aurora; Nagai, Daisuke Space Science Reviews, Vol. 215, Issue 1 https://doi.org/10.1007/s11214-018-0572-8	journal	January 2019

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