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The Cosmology Large Angular Scale Surveyor (CLASS): 38 GHz detector array of bolometric polarimeters

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arxiv 1408.4789 v1 pith:GWPYZRDT submitted 2014-08-20 astro-ph.IM

The Cosmology Large Angular Scale Surveyor (CLASS): 38 GHz detector array of bolometric polarimeters

John W. Appel , Aamir Ali , Mandana Amiri , Derek Araujo , Charles L. Bennett , Fletcher Boone , Manwei Chan , Hsiao-Mei Cho
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David T. Chuss Felipe Colazo Erik Crowe Kevin Denis Rolando Dunner Joseph Eimer Thomas Essinger-Hileman Dominik Gothe Mark Halpern Kathleen Harrington Gene Hilton Gary F. Hinshaw Caroline Huang Kent Irwin Glenn Jones John Karakla Alan J. Kogut David Larson Michele Limon Lindsay Lowry Tobias Marriage Nicholas Mehrle Amber D. Miller Nathan Miller Samuel H. Moseleyb Giles Novakh Carl Reintsemad Karwan Rostemab Thomas Stevensonb Deborah Towner Kongpop U-Yen Emily Wagner Duncan Watts Edward Wollack Zhilei Xu Lingzhen Zeng
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keywords angularclassarraybolometriccosmologydetectorlargescale
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The Cosmology Large Angular Scale Surveyor (CLASS) experiment aims to map the polarization of the Cosmic Microwave Background (CMB) at angular scales larger than a few degrees. Operating from Cerro Toco in the Atacama Desert of Chile, it will observe over 65% of the sky at 38, 93, 148, and 217 GHz. In this paper we discuss the design, construction, and characterization of the CLASS 38 GHz detector focal plane, the first ever Q-band bolometric polarimeter array.

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  1. Detectors for CLASS-W2: The second 90 GHz telescope of the Cosmology Large Angular Scale Surveyor

    astro-ph.IM 2026-06 accept novelty 3.0

    A new 296-detector 90 GHz TES bolometer array for CLASS achieves uniform properties, 16 μK√s NET, 0.37 optical efficiency, and a 41% mapping speed boost after addressing blue-leak radiation.