QUEST on DASI: a South Pole CMB polarization experiment

Details QUEST on DASI: a South Pole CMB polarization experiment QUEST on DASI: a South Pole CMB polarization experiment

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003newar..47.1083c&link_type=abstract

New Astronomy Reviews, Volume 47, Issue 11-12, p. 1083-1089.

Astronomy and Astrophysics

Astronomy

14

Scientific paper

QUEST on DASI is a ground-based, high-sensitivity, high-resolution (lmax~2500) experiment designed to map CMB polarization at 100 and 150 GHz and to measure the power spectra from E-modes, B-modes from lensing of the CMB, and B-modes from primordial gravitational waves. The experiment comprises a 2.6 m Cassegrain optical system, equipped with an array of 62 polarization-sensitive bolometers (PSBs), located at the South Pole. The instrument is designed to minimize systematic effects; features include differencing of pairs of orthogonal PSBs within a single feed, a rotatable achromatic waveplate, and axisymmetric rotatable optics. In addition the South Pole location allows both repeatable and highly controlled observations. QUEST on DASI will commence operation in early 2005.

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