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Proceedings Article

The Keck Array: a pulse tube cooled CMB polarimeter

[+] Author Affiliations
C. D. Sheehy

The Univ. of Chicago (USA) and Univ. of Minnesota (USA)

P. A. R. Ade, R. Sudiwala

Univ. of Wales (United Kingdom)

R. W. Aikin, J. A. Brevik, J. P. Filippini, S. R. Golwala, V. V. Hristov, A. E. Lange, A. Orlando, M. C. Runyan, G. Teply

California Institute of Technology (USA)

M. Amiri, B. Burger, M. Halpern, M. Hasselfield

The Univ. of British Columbia (Canada)

S. Benton, C. B. Netterfield

Univ. of Toronto (Canada)

C. Bischoff, J. M. Kovac, S. Richter, C. L. Wong

Harvard-Smithsonian Ctr. for Astrophysics (USA)

J. J. Bock, C. D. Dowell, M. Lueker, H. T. Nguyen, Z. Staniszewski

California Institute of Technology (USA) and Jet Propulsion Lab. (USA)

J. A. Bonetti, A. D. Turner, P. Wilson

Jet Propulsion Lab. (USA)

L. Duband

Service des Basses Tempratures, DRFMC, CEA-Grenoble (France)

G. Hilton, K. Irwin, C. Reintsema

National Institute of Standards and Technology (USA)

J. P. Kaufman, B. G. Keating

Univ. of California, San Diego (USA)

C. L. Kuo, R. W. Ogburn IV, S. Stokes, K. L. Thompson, J. E. Tolan

Stanford Univ. (USA) and Kavli Institute for Particle Astrophysics and Cosmology (USA)

E. M. Leitch

The Univ. of Chicago (USA)

C. L. Pryke

Univ. of Minnesota (USA)

J. E. Ruhl

Case Western Reserve Univ. (USA)

Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77411R (July 15, 2010); doi:10.1117/12.857871
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From Conference Volume 7741

  • Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V
  • Wayne S. Holland; Jonas Zmuidzinas
  • San Diego, California, USA | June 27, 2010

abstract

The Keck Array is a cosmic microwave background (CMB) polarimeter that will begin observing from the South Pole in late 2010. The initial deployment will consist of three telescopes similar to BICEP2 housed in ultracompact, pulse tube cooled cryostats. Two more receivers will be added the following year. In these proceedings we report on the design and performance of the Keck cryostat. We also report some initial results on the performance of antenna-coupled TES detectors operating in the presence of a pulse tube. We find that the performance of the detectors is not seriously impacted by the replacement of BICEP2's liquid helium cryostat with a pulse tube cooled cryostat.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

C. D. Sheehy ; P. A. R. Ade ; R. W. Aikin ; M. Amiri ; S. Benton, et al.
"The Keck Array: a pulse tube cooled CMB polarimeter", Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77411R (July 15, 2010); doi:10.1117/12.857871; http://dx.doi.org/10.1117/12.857871


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