SPT-3G is the third survey receiver operating on the South Pole Telescope dedicated to high-resolution observations of the cosmic microwave background (CMB). Sensitive measurements of the temperature and polarization anisotropies of the CMB provide a powerful data set for constraining cosmology. Additionally, CMB surveys with arcminute-scale resolution are capable of detecting galaxy clusters, millimeter-wave bright galaxies, and a variety of transient phenomena. The SPT-3G instrument provides a significant improvement in mapping speed over its predecessors, SPT-SZ and SPTpol. The broadband optics design of the instrument achieves a 430 mm diameter image plane across observing bands of 95, 150, and 220 GHz, with 1.2′ FWHM beam response at 150 GHz. In the receiver, this image plane is populated with 2690 dual-polarization, trichroic pixels (∼16,000 detectors) read out using a 68× digital frequency-domain multiplexing readout system. In 2018, SPT-3G began a multiyear survey of 1500 deg 2 of the southern sky. We summarize the unique optical, cryogenic, detector, and readout technologies employed in SPT-3G, and we report on the integrated performance of the instrument.
Sobrin, J. A., et al. "The Design and Integrated Performance of SPT-3G." The Astrophysical Journal. Supplement Series, vol. 258, no. 2, Feb. 2022. https://doi.org/10.3847/1538-4365/ac374f
Sobrin, J. A., Anderson, A. J., Bender, A. N., Benson, B. A., Dutcher, D., Foster, A., Goeckner-Wald, N., Montgomery, J., Nadolski, A., Rahlin, A., Ade, P. A. R., Ahmed, Z., Anderes, E., Archipley, M., Austermann, J. E., Avva, J. S., Aylor, K., Balkenhol, L., ... Young, M. R. (2022). The Design and Integrated Performance of SPT-3G. The Astrophysical Journal. Supplement Series, 258(2). https://doi.org/10.3847/1538-4365/ac374f
Sobrin, J. A., Anderson, A. J., Bender, A. N., et al., "The Design and Integrated Performance of SPT-3G," The Astrophysical Journal. Supplement Series 258, no. 2 (2022), https://doi.org/10.3847/1538-4365/ac374f
@article{osti_1844266,
author = {Sobrin, J. A. and Anderson, A. J. and Bender, A. N. and Benson, B. A. and Dutcher, D. and Foster, A. and Goeckner-Wald, N. and Montgomery, J. and Nadolski, A. and Rahlin, A. and others},
title = {The Design and Integrated Performance of SPT-3G},
annote = {Abstract SPT-3G is the third survey receiver operating on the South Pole Telescope dedicated to high-resolution observations of the cosmic microwave background (CMB). Sensitive measurements of the temperature and polarization anisotropies of the CMB provide a powerful data set for constraining cosmology. Additionally, CMB surveys with arcminute-scale resolution are capable of detecting galaxy clusters, millimeter-wave bright galaxies, and a variety of transient phenomena. The SPT-3G instrument provides a significant improvement in mapping speed over its predecessors, SPT-SZ and SPTpol. The broadband optics design of the instrument achieves a 430 mm diameter image plane across observing bands of 95, 150, and 220 GHz, with 1.2′ FWHM beam response at 150 GHz. In the receiver, this image plane is populated with 2690 dual-polarization, trichroic pixels (∼16,000 detectors) read out using a 68× digital frequency-domain multiplexing readout system. In 2018, SPT-3G began a multiyear survey of 1500 deg 2 of the southern sky. We summarize the unique optical, cryogenic, detector, and readout technologies employed in SPT-3G, and we report on the integrated performance of the instrument. },
doi = {10.3847/1538-4365/ac374f},
url = {https://www.osti.gov/biblio/1844266},
journal = {The Astrophysical Journal. Supplement Series},
issn = {ISSN 0067-0049},
number = {2},
volume = {258},
place = {United States},
publisher = {American Astronomical Society},
year = {2022},
month = {02}}
Argonne National Laboratory (ANL), Argonne, IL (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States); Caltech; Canadian Inst. Advanced Res.; Cardiff U.; Case Western Reserve U.; Chicago U.; Chicago U., Astron. Astrophys. Ctr.; Chicago U., EFI; Chicago U., KICP; Colorado U.; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Harvard-Smithsonian Ctr. Astrophys.; Illinois U., Urbana; Illinois U., Urbana, Astron. Dept.; KEK, Tsukuba; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); McGill U.; Melbourne U.; Michigan State U.; NCSA, Urbana; NIST, Boulder; Paris, Inst. Astrophys.; SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Stanford U., Phys. Dept.; Toronto U., Astron. Dept.; U. Toronto, Dunlap Inst. Astron. Astrophys.; UC, Berkeley; UC, Davis; UCLA; Victoria U.
Sponsoring Organization:
National Science Foundation (NSF); US Department of Energy; USDOE; USDOE Office of Science (SC), High Energy Physics (HEP); University of Illinois-Urbana-Champaign, National Center for Supercomputing Applications