QUaD: A High-Resolution Cosmic Microwave Background Polarimeter

Jamie Hinderks, Peter Ade, Jamie Bock, Melanie Bowden, Michael Brown, G. Cahill, J.E. Carlstrom, P. castro, S. Church, T. Culverhouse, R. Friedman, K. Ganga, Walter Gear, S. Gupta, Brian Keating, J. Kovac, Andrew Lange, E. Leitch, S. J. Melhuish, Yasin MemariA. Murphy, L. Piccirillo, C. Pryke, N. Rajguru, B. Rusholme, Andy Taylor, Edward Wu, M. Zemcov

Research output: Contribution to journalArticlepeer-review


We describe the QUaD experiment, a millimeter-wavelength polarimeter designed to observe the cosmic microwave background (CMB) from a site at the South Pole. The experiment comprises a 2.64 m Cassegrain telescope equipped with a cryogenically cooled receiver containing an array of 62 polarization-sensitive bolometers. The focal plane contains pixels at two different frequency bands, 100 GHz and 150 GHz, with angular resolutions of 5' and 3farcm5, respectively. The high angular resolution allows observation of CMB temperature and polarization anisotropies over a wide range of scales. The instrument commenced operation in early 2005 and collected science data during three successive Austral winter seasons of observation.
Original languageEnglish
Pages (from-to)1221-1246
JournalAstrophysical Journal
Publication statusPublished - 1 Feb 2009


  • Cosmology
  • CMB
  • polarization


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