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

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Abstract

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 \(\sim \) 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 68\(\times \) 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.

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Acknowledgements

The South Pole Telescope is supported by the National Science Foundation (NSF) through Grant PLR-1248097. Partial support is also provided by the NSF Physics Frontier Center Grant PHY-1125897 to the Kavli Institute of Cosmological Physics at the University of Chicago, and the Kavli Foundation and the Gordon and Betty Moore Foundation Grant GBMF 947. Work at Argonne National Laboratory, including Laboratory Directed Research and Development support and Use of the Center for Nanoscale Materials, a US Department of Energy, Office of Science (DOE-OS) user facility, was supported under Contract No. DE-AC02-06CH11357. We acknowledge R. Divan, L. Stan, C.S. Miller, and V. Kutepova for supporting our work in the Argonne Center for Nanoscale Materials. Work at Fermi National Accelerator Laboratory, a DOE-OS, HEP User Facility managed by the Fermi Research Alliance, LLC, was supported under Contract No. DE-AC02-07CH11359. NWH acknowledges support from NSF CAREER Grant AST-0956135. The McGill authors acknowledge funding from the Natural Sciences and Engineering Research Council of Canada, Canadian Institute for Advanced Research, and Canada Research Chairs program.

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Authors and Affiliations

  1. Fermi National Accelerator Laboratory, MS209, P.O. Box 500, Batavia, IL, 60510-0500, USA

    A. J. Anderson, B. A. Benson, M. Jonas, D. Kubik, H. Nguyen & A. Rahlin

  2. Kavli Institute for Cosmological Physics, University of Chicago, 5640 S. Ellis Avenue, Chicago, IL, 60637, USA

    A. J. Anderson, P. S. Barry, R. Basu Thakur, A. N. Bender, B. A. Benson, L. E. Bleem, J. E. Carlstrom, F. W. Carter, C. L. Chang, T. M. Crawford, D. Dutcher, J. W. Henning, E. M. Leitch, A. E. Lowitz, S. S. Meyer, S. Padin, Z. Pan, A. Rahlin, L. J. Saunders, E. Shirokoff, J. A. Sobrin & Q. Y. Tang

  3. School of Physics and Astronomy, Cardiff University, Cardiff, CF24 3YB, United Kingdom

    P. A. R. Ade & C. Tucker

  4. Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA, 94305, USA

    Z. Ahmed, K. D. Irwin, C. L. Kuo, K. T. Story, K. L. Thompson & K. W. Yoon

  5. Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA, 94305, USA

    Z. Ahmed, K. D. Irwin, C. L. Kuo, K. T. Story, K. L. Thompson & K. W. Yoon

  6. SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA, 94025, USA

    Z. Ahmed, H. M. Cho, K. D. Irwin, C. L. Kuo, K. L. Thompson & K. W. Yoon

  7. National Institute of Standards and Technology, 325 Broadway, Boulder, CO, 80305, USA

    J. E. Austermann, E. V. Denison, G. C. Hilton & L. R. Vale

  8. Department of Physics, University of California, Berkeley, CA, 94720, USA

    J. S. Avva, A. Cukierman, T. de Haan, J. C. Groh, N. L. Harrington, W. L. Holzapfel, N. Huang, O. B. Jeong, A. T. Lee, I. Shirley, A. Suzuki & N. Whitehorn

  9. Department of Astronomy and Astrophysics, University of Chicago, 5640 S. Ellis Avenue, Chicago, IL, 60637, USA

    P. S. Barry, B. A. Benson, J. E. Carlstrom, C. L. Chang, T. M. Crawford, E. M. Leitch, S. S. Meyer, E. Shirokoff & Q. Y. Tang

  10. High-Energy Physics Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL, 60439, USA

    A. N. Bender, L. E. Bleem, K. Byrum, J. E. Carlstrom, F. W. Carter, T. Cecil, C. L. Chang, A. H. Harke-Hosemann, S. Kuhlmann, L. J. Saunders, G. Wang & V. Yefremenko

  11. Enrico Fermi Institute, University of Chicago, 5640 S. Ellis Avenue, Chicago, IL, 60637, USA

    J. E. Carlstrom & S. S. Meyer

  12. Department of Physics, University of Chicago, 5640 S. Ellis Avenue, Chicago, IL, 60637, USA

    J. E. Carlstrom, D. Dutcher, N. Kuklev, S. S. Meyer, Z. Pan & J. A. Sobrin

  13. Department of Physics, McGill University, 3600 Rue University, Montreal, QC, H3A 2T8, Canada

    J. F. Cliche, M. A. Dobbs, A. Gilbert, J. Montgomery & G. I. Noble

  14. Material Science Division, Argonne National Laboratory, 9700 S. Cass Avenue, Argonne, IL, 60439, USA

    J. Ding, R. N. Gannon, T. Khaire, V. Novosad, J. Pearson & C. M. Posada

  15. CIFAR Program in Cosmology and Gravity, Canadian Institute for Advanced Research, Toronto, ON, M5G 1Z8, Canada

    M. A. Dobbs

  16. CASA, Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO, 80309, USA

    W. Everett, N. W. Halverson & J. T. Sayre

  17. Physics Department, Case Western Reserve University, Cleveland, OH, 44106, USA

    A. Foster, M. Korman & J. E. Ruhl

  18. Department of Physics, University of Colorado, Boulder, CO, 80309, USA

    N. W. Halverson

  19. Astronomy Department, University of Illinois, 1002 W. Green Street, Urbana, IL, 61801, USA

    A. H. Harke-Hosemann, G. P. Holder, A. M. Kofman, A. Nadolski & J. D. Vieira

  20. Department of Physics, University of Illinois, 1110 W. Green Street, Urbana, IL, 61801, USA

    G. P. Holder, A. M. Kofman & J. D. Vieira

  21. Department of Physics, University of California, One Shields Avenue, Davis, CA, 95616, USA

    L. Knox

  22. Physics Division, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA

    A. T. Lee & A. Suzuki

  23. University of Chicago, 5640 S. Ellis Avenue, Chicago, IL, 60637, USA

    D. Michalik

  24. Dunlap Institute for Astronomy and Astrophysics, University of Toronto, 50 St George St, Toronto, ON, M5S 3H4, Canada

    T. Natoli & K. Vanderlinde

  25. School of Physics, University of Melbourne, Parkville, 3010, VIC, Australia

    C. L. Reichardt

  26. Three-Speed Logic, Inc., Vancouver, BC, V6A 2J8, Canada

    G. Smecher

  27. Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA, 02138, USA

    A. A. Stark

  28. Department of Astronomy and Astrophysics, University of Toronto, 50 St George Street, Toronto, ON, M5S 3H4, Canada

    K. Vanderlinde & M. R. Young

  29. Department of Physics and Astronomy, University of California, Los Angeles, CA, 90095, USA

    N. Whitehorn

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  1. A. J. Anderson
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  2. P. A. R. Ade
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Anderson, A.J., Ade, P.A.R., Ahmed, Z. et al. SPT-3G: A Multichroic Receiver for the South Pole Telescope. J Low Temp Phys 193, 1057–1065 (2018). https://doi.org/10.1007/s10909-018-2007-z

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