SPTpol: An instrument for CMB polarization measurements with the South Pole Telescope

J. E. Austermann, K. A. Aird, J. A. Beall, D. Becker, A. Bender, B. A. Benson, L. E. Bleem, J. Britton, J. E. Carlstrom, C. L. Chang, H. C. Chiang, H. M. Cho, T. M. Crawford, A. T. Crites, A. Datesman, T. De Haan, M. A. Dobbs, E. M. George, N. W. Halverson, N. HarringtonJ. W. Henning, G. C. Hilton, G. P. Holder, W. L. Holzapfel, S. Hoover, N. Huang, J. Hubmayr, K. D. Irwin, R. Keisler, J. Kennedy, L. Knox, A. T. Lee, E. Leitch, D. Li, M. Lueker, Daniel P Marrone, J. J. McMahon, J. Mehl, S. S. Meyer, T. E. Montroy, T. Natoli, J. P. Nibarger, M. D. Niemack, V. Novosad, S. Padin, C. Pryke, C. L. Reichardt, J. E. Ruhl, B. R. Saliwanchik, J. T. Sayre, K. K. Schaffer, E. Shirokoff, A. A. Stark, K. Story, K. Vanderlinde, J. D. Vieira, G. Wang, R. Williamson, V. Yefremenko, K. W. Yoon, O. Zahn

Research output: Chapter in Book/Report/Conference proceedingConference contribution

93 Citations (Scopus)

Abstract

SPTpol is a dual-frequency polarization-sensitive camera that was deployed on the 10-meter South Pole Telescope in January 2012. SPTpol will measure the polarization anisotropy of the cosmic microwave background (CMB) on angular scales spanning an arcminute to several degrees. The polarization sensitivity of SPTpol will enable a detection of the CMB "B-mode" polarization from the detection of the gravitational lensing of the CMB by large scale structure, and a detection or improved upper limit on a primordial signal due to inflationary gravity waves. The two measurements can be used to constrain the sum of the neutrino masses and the energy scale of inflation. These science goals can be achieved through the polarization sensitivity of the SPTpol camera and careful control of systematics. The SPTpol camera consists of 768 pixels, each containing two transition-edge sensor (TES) bolometers coupled to orthogonal polarizations, and a total of 1536 bolometers. The pixels are sensitive to light in one of two frequency bands centered at 90 and 150 GHz, with 180 pixels at 90 GHz and 588 pixels at 150 GHz. The SPTpol design has several features designed to control polarization systematics, including: single-moded feedhorns with low cross-polarization, bolometer pairs well-matched to difference atmospheric signals, an improved ground shield design based on far-sidelobe measurements of the SPT, and a small beam to reduce temperature to polarization leakage. We present an overview of the SPTpol instrument design, project status, and science projections.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume8452
DOIs
StatePublished - 2012
EventMillimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI - Amsterdam, Netherlands
Duration: Jul 3 2012Jul 6 2012

Other

OtherMillimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI
CountryNetherlands
CityAmsterdam
Period7/3/127/6/12

Fingerprint

Telescopes
Microwave
Telescope
Pole
Poles
Polarization
poles
Microwaves
telescopes
microwaves
polarization
Bolometer
Bolometers
bolometers
pixels
Pixel
Pixels
cameras
Camera
Cameras

Keywords

  • Bolometer
  • Cosmology
  • Instrumentation
  • Millimeter
  • Polarimetry
  • TES

ASJC Scopus subject areas

  • Applied Mathematics
  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Austermann, J. E., Aird, K. A., Beall, J. A., Becker, D., Bender, A., Benson, B. A., ... Zahn, O. (2012). SPTpol: An instrument for CMB polarization measurements with the South Pole Telescope. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 8452). [84521E] https://doi.org/10.1117/12.927286

SPTpol : An instrument for CMB polarization measurements with the South Pole Telescope. / Austermann, J. E.; Aird, K. A.; Beall, J. A.; Becker, D.; Bender, A.; Benson, B. A.; Bleem, L. E.; Britton, J.; Carlstrom, J. E.; Chang, C. L.; Chiang, H. C.; Cho, H. M.; Crawford, T. M.; Crites, A. T.; Datesman, A.; De Haan, T.; Dobbs, M. A.; George, E. M.; Halverson, N. W.; Harrington, N.; Henning, J. W.; Hilton, G. C.; Holder, G. P.; Holzapfel, W. L.; Hoover, S.; Huang, N.; Hubmayr, J.; Irwin, K. D.; Keisler, R.; Kennedy, J.; Knox, L.; Lee, A. T.; Leitch, E.; Li, D.; Lueker, M.; Marrone, Daniel P; McMahon, J. J.; Mehl, J.; Meyer, S. S.; Montroy, T. E.; Natoli, T.; Nibarger, J. P.; Niemack, M. D.; Novosad, V.; Padin, S.; Pryke, C.; Reichardt, C. L.; Ruhl, J. E.; Saliwanchik, B. R.; Sayre, J. T.; Schaffer, K. K.; Shirokoff, E.; Stark, A. A.; Story, K.; Vanderlinde, K.; Vieira, J. D.; Wang, G.; Williamson, R.; Yefremenko, V.; Yoon, K. W.; Zahn, O.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8452 2012. 84521E.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Austermann, JE, Aird, KA, Beall, JA, Becker, D, Bender, A, Benson, BA, Bleem, LE, Britton, J, Carlstrom, JE, Chang, CL, Chiang, HC, Cho, HM, Crawford, TM, Crites, AT, Datesman, A, De Haan, T, Dobbs, MA, George, EM, Halverson, NW, Harrington, N, Henning, JW, Hilton, GC, Holder, GP, Holzapfel, WL, Hoover, S, Huang, N, Hubmayr, J, Irwin, KD, Keisler, R, Kennedy, J, Knox, L, Lee, AT, Leitch, E, Li, D, Lueker, M, Marrone, DP, McMahon, JJ, Mehl, J, Meyer, SS, Montroy, TE, Natoli, T, Nibarger, JP, Niemack, MD, Novosad, V, Padin, S, Pryke, C, Reichardt, CL, Ruhl, JE, Saliwanchik, BR, Sayre, JT, Schaffer, KK, Shirokoff, E, Stark, AA, Story, K, Vanderlinde, K, Vieira, JD, Wang, G, Williamson, R, Yefremenko, V, Yoon, KW & Zahn, O 2012, SPTpol: An instrument for CMB polarization measurements with the South Pole Telescope. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 8452, 84521E, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI, Amsterdam, Netherlands, 7/3/12. https://doi.org/10.1117/12.927286
Austermann JE, Aird KA, Beall JA, Becker D, Bender A, Benson BA et al. SPTpol: An instrument for CMB polarization measurements with the South Pole Telescope. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8452. 2012. 84521E https://doi.org/10.1117/12.927286
Austermann, J. E. ; Aird, K. A. ; Beall, J. A. ; Becker, D. ; Bender, A. ; Benson, B. A. ; Bleem, L. E. ; Britton, J. ; Carlstrom, J. E. ; Chang, C. L. ; Chiang, H. C. ; Cho, H. M. ; Crawford, T. M. ; Crites, A. T. ; Datesman, A. ; De Haan, T. ; Dobbs, M. A. ; George, E. M. ; Halverson, N. W. ; Harrington, N. ; Henning, J. W. ; Hilton, G. C. ; Holder, G. P. ; Holzapfel, W. L. ; Hoover, S. ; Huang, N. ; Hubmayr, J. ; Irwin, K. D. ; Keisler, R. ; Kennedy, J. ; Knox, L. ; Lee, A. T. ; Leitch, E. ; Li, D. ; Lueker, M. ; Marrone, Daniel P ; McMahon, J. J. ; Mehl, J. ; Meyer, S. S. ; Montroy, T. E. ; Natoli, T. ; Nibarger, J. P. ; Niemack, M. D. ; Novosad, V. ; Padin, S. ; Pryke, C. ; Reichardt, C. L. ; Ruhl, J. E. ; Saliwanchik, B. R. ; Sayre, J. T. ; Schaffer, K. K. ; Shirokoff, E. ; Stark, A. A. ; Story, K. ; Vanderlinde, K. ; Vieira, J. D. ; Wang, G. ; Williamson, R. ; Yefremenko, V. ; Yoon, K. W. ; Zahn, O. / SPTpol : An instrument for CMB polarization measurements with the South Pole Telescope. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 8452 2012.
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abstract = "SPTpol is a dual-frequency polarization-sensitive camera that was deployed on the 10-meter South Pole Telescope in January 2012. SPTpol will measure the polarization anisotropy of the cosmic microwave background (CMB) on angular scales spanning an arcminute to several degrees. The polarization sensitivity of SPTpol will enable a detection of the CMB {"}B-mode{"} polarization from the detection of the gravitational lensing of the CMB by large scale structure, and a detection or improved upper limit on a primordial signal due to inflationary gravity waves. The two measurements can be used to constrain the sum of the neutrino masses and the energy scale of inflation. These science goals can be achieved through the polarization sensitivity of the SPTpol camera and careful control of systematics. The SPTpol camera consists of 768 pixels, each containing two transition-edge sensor (TES) bolometers coupled to orthogonal polarizations, and a total of 1536 bolometers. The pixels are sensitive to light in one of two frequency bands centered at 90 and 150 GHz, with 180 pixels at 90 GHz and 588 pixels at 150 GHz. The SPTpol design has several features designed to control polarization systematics, including: single-moded feedhorns with low cross-polarization, bolometer pairs well-matched to difference atmospheric signals, an improved ground shield design based on far-sidelobe measurements of the SPT, and a small beam to reduce temperature to polarization leakage. We present an overview of the SPTpol instrument design, project status, and science projections.",
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AU - Austermann, J. E.

AU - Aird, K. A.

AU - Beall, J. A.

AU - Becker, D.

AU - Bender, A.

AU - Benson, B. A.

AU - Bleem, L. E.

AU - Britton, J.

AU - Carlstrom, J. E.

AU - Chang, C. L.

AU - Chiang, H. C.

AU - Cho, H. M.

AU - Crawford, T. M.

AU - Crites, A. T.

AU - Datesman, A.

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AU - Vanderlinde, K.

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AU - Zahn, O.

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N2 - SPTpol is a dual-frequency polarization-sensitive camera that was deployed on the 10-meter South Pole Telescope in January 2012. SPTpol will measure the polarization anisotropy of the cosmic microwave background (CMB) on angular scales spanning an arcminute to several degrees. The polarization sensitivity of SPTpol will enable a detection of the CMB "B-mode" polarization from the detection of the gravitational lensing of the CMB by large scale structure, and a detection or improved upper limit on a primordial signal due to inflationary gravity waves. The two measurements can be used to constrain the sum of the neutrino masses and the energy scale of inflation. These science goals can be achieved through the polarization sensitivity of the SPTpol camera and careful control of systematics. The SPTpol camera consists of 768 pixels, each containing two transition-edge sensor (TES) bolometers coupled to orthogonal polarizations, and a total of 1536 bolometers. The pixels are sensitive to light in one of two frequency bands centered at 90 and 150 GHz, with 180 pixels at 90 GHz and 588 pixels at 150 GHz. The SPTpol design has several features designed to control polarization systematics, including: single-moded feedhorns with low cross-polarization, bolometer pairs well-matched to difference atmospheric signals, an improved ground shield design based on far-sidelobe measurements of the SPT, and a small beam to reduce temperature to polarization leakage. We present an overview of the SPTpol instrument design, project status, and science projections.

AB - SPTpol is a dual-frequency polarization-sensitive camera that was deployed on the 10-meter South Pole Telescope in January 2012. SPTpol will measure the polarization anisotropy of the cosmic microwave background (CMB) on angular scales spanning an arcminute to several degrees. The polarization sensitivity of SPTpol will enable a detection of the CMB "B-mode" polarization from the detection of the gravitational lensing of the CMB by large scale structure, and a detection or improved upper limit on a primordial signal due to inflationary gravity waves. The two measurements can be used to constrain the sum of the neutrino masses and the energy scale of inflation. These science goals can be achieved through the polarization sensitivity of the SPTpol camera and careful control of systematics. The SPTpol camera consists of 768 pixels, each containing two transition-edge sensor (TES) bolometers coupled to orthogonal polarizations, and a total of 1536 bolometers. The pixels are sensitive to light in one of two frequency bands centered at 90 and 150 GHz, with 180 pixels at 90 GHz and 588 pixels at 150 GHz. The SPTpol design has several features designed to control polarization systematics, including: single-moded feedhorns with low cross-polarization, bolometer pairs well-matched to difference atmospheric signals, an improved ground shield design based on far-sidelobe measurements of the SPT, and a small beam to reduce temperature to polarization leakage. We present an overview of the SPTpol instrument design, project status, and science projections.

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KW - Cosmology

KW - Instrumentation

KW - Millimeter

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