QUaD: A High-Resolution Cosmic Microwave Background Polarimeter

Details QUaD: A High-Resolution Cosmic Microwave Background Polarimeter QUaD: A High-Resolution Cosmic Microwave Background Polarimeter

2008-05-14

arxiv.org/abs/0805.1990v2

Astrophys.J.692:1221-1246,2009

Astronomy and Astrophysics

Astrophysics

23 pages, author list and text updated to reflect published version

Scientific paper

10.1088/0004-637X/692/2/1221

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 arcmin and 3.5 arcmin, 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.

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