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Keck Array: a pulse tube cooled CMB polarimeter.

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Title: Keck Array: a pulse tube cooled CMB polarimeter.
Author: Amiri, Mandana; Burger, Bryce; Halpern, Mark; Hasselfield, Matthew
Issue Date: 2010
Publicly Available in cIRcle 2011-09-13
Publisher Society of Photo-Optical Instrumentation Engineers
Citation: Sheehy, Christopher D.; Ade, Peter A. R.; Aiken, Randol W.; Amiri, Mandana; Benton, Steven J.; Bischoff, Colin; Bock, James J.; Bonetti, Joseph A.; Brevik, Justus A.; Burger, Bryce; Dowell, C. Darren; Duband, Lionel; Filippini, Jeffrey P.; Golwala, Sunil R.; Halpern, Mark; Hasselfield, Matthew; Hilton, Gene C.; Hristov, Viktor V.; Irwin, Kent D.; Kaufman, Jonathan P.; Keating, Brian G.; Kovac, John M.; Kuo, Chao Lin; Lange, Andrew E.; Leitch, Erik M.; Lueker, Martin; Netterfield, C. Barth; Nguyen, Hien Trong; Ogburn IV, Reuben W.; Orlando, Angiola; Pryke, Clement L.; Reintsema, Carl D.; Richter, Steffen; Ruhl, John E.; Runyan, Marcus C.; Staniszewski, Zachary K.; Stokes, Sarah A.; Sudiwala, Rashmi V.; Teply, Grant P.; Thompson, Keith L.; Tolan, James; Turner, Anthony D.; Wilson, Phil; Wong, Chin Lin. Keck Array: a pulse tube cooled CMB polarimeter. Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, edited by Holland, Wayne S.; Jonas Zmuidzinas, Proceedings of SPIE Volume 7741, 77411R, 2010. http://dx.doi.org/10.1117/12.857871
Abstract: The Keck Array is a cosmic microwave background (CMB) polarimeter that will begin observing from the South Pole in late 2010. The initial deployment will consist of three telescopes similar to BICEP2 housed in ultracompact, pulse tube cooled cryostats. Two more receivers will be added the following year. In these proceedings we report on the design and performance of the Keck cryostat. We also report some initial results on the performance of antenna-coupled TES detectors operating in the presence of a pulse tube. We find that the performance of the detectors is not seriously impacted by the replacement of BICEP2's liquid helium cryostat with a pulse tube cooled cryostat. Copyright 2010 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Affiliation: Science, Faculty ofPhysics and Astronomy, Department of
URI: http://hdl.handle.net/2429/37247
Peer Review Status: Reviewed
Scholarly Level: Faculty

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