The keck array: A multi camera CMB polarimeter at the south pole

Z. Staniszewski, R. W. Aikin, M. Amiri, S. J. Benton, C. Bischoff, J. J. Bock, J. A. Bonetti, J. A. Brevik, B. Burger, C. D. Dowell, L. Duband, J. P. Filippini, S. R. Golwala, M. Halpern, M. Hasselfield, G. Hilton, V. V. Hristov, K. Irwin, J. M. Kovac, C. L. KuoM. Lueker, T. Montroy, H. T. Nguyen, R. W. Ogburn Iv, R. O'Brient, A. Orlando, C. Pryke, C. Reintsema, J. E. Ruhl, R. Schwarz, C. Sheehy, S. Stokes, K. L. Thompson, G. Teply, J. E. Tolan, A. D. Turner, A. G. Vieregg, P. Wilson, D. Wiebe, C. L. Wong

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

The Keck array is a new multi-camera Cosmic Microwave Background (CMB) polarimeter. Each camera contains 256 polarization pairs of antenna-coupled transition edge sensor (TES) bolometers. We recently deployed three of five cameras at the geographic South Pole, and plan to deploy the final two cameras in early 2012. This new telescope is an ideal instrument to search for the primordial B-mode polarization signal imprinted in the CMB by inflationary gravitational waves. We will discuss the design of the detectors and receivers, the status of current observations, and report on progress toward upgrading the instrument with the full compliment of polarized receivers.

Original languageEnglish (US)
Pages (from-to)827-833
Number of pages7
JournalJournal of Low Temperature Physics
Volume167
Issue number5-6
DOIs
StatePublished - Jan 1 2012

Keywords

  • Cosmic microwave background
  • Cosmology
  • Inflation
  • Transition edge sensor (TES) arrays

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