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Proceedings Paper

Highly uniform 150 mm diameter multichroic polarimeter array deployed for CMB detection
Author(s): Shuay-Pwu Patty Ho; Jason Austermann; James A. Beall; Steve K. Choi; Nicholas F. Cothard; Kevin T. Crowley; Rahul Datta; Mark J. Devlin; Shannon M. Duff; Patricio A. Gallardo; Matthew Hasselfield; Shawn W. Henderson; Gene Hilton; Johannes Hubmayr; Brian J. Koopman; Yaqiong Li; Jeffrey McMahon; Michael D. Niemack; Maria Salatino; Sara M. Simon; Suzanne T. Staggs; Jonathan T. Ward; Joel N. Ullom; Eve M. Vavagiakis; Edward J. Wollack
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Paper Abstract

The Advanced Atacama Cosmology Telescope Polarimeter is an upgraded receiver for the Atacama Cosmology Telescope, which has begun making measurements of the small angular scale polarization anisotropies in the Cosmic Microwave Background using the first of four new multichroic superconducting detector arrays. Here, we review all details of the optimization and characterization of this first array, which features 2012 AlMn transition- edge sensor bolometers operating at 150 and 230 GHz. We present critical temperatures, thermal conductivities, saturation powers, time constants, and sensitivities for the array. The results show high uniformity across the 150 mm wafer and good performance in the field.

Paper Details

Date Published: 7 March 2017
PDF: 15 pages
Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 991418 (7 March 2017); doi: 10.1117/12.2233113
Show Author Affiliations
Shuay-Pwu Patty Ho, Princeton Univ. (United States)
Jason Austermann, National Institute of Standards and Technology (United States)
James A. Beall, National Institute of Standards and Technology (United States)
Steve K. Choi, Princeton Univ. (United States)
Nicholas F. Cothard, Cornell Univ. (United States)
Kevin T. Crowley, Princeton Univ. (United States)
Rahul Datta, Univ. of Michigan (United States)
Mark J. Devlin, Univ. of Pennsylvania (United States)
Shannon M. Duff, National Institute of Standards and Technology (United States)
Patricio A. Gallardo, Cornell Univ. (United States)
Matthew Hasselfield, Pennsylvania State Univ. (Canada)
Shawn W. Henderson, Cornell Univ. (United States)
Gene Hilton, National Institute of Standards and Technology (United States)
Johannes Hubmayr, National Institute of Standards and Technology (United States)
Brian J. Koopman, Cornell Univ. (United States)
Yaqiong Li, Princeton Univ. (United States)
Jeffrey McMahon, Univ. of Michigan (United States)
Michael D. Niemack, Cornell Univ. (United States)
Maria Salatino, Princeton Univ. (United States)
Sara M. Simon, Univ. of Michigan (United States)
Suzanne T. Staggs, Princeton Univ. (United States)
Jonathan T. Ward, Univ. of Pennsylvania (United States)
Joel N. Ullom, National Institute of Standards and Technology (United States)
Eve M. Vavagiakis, Cornell Univ. (United States)
Edward J. Wollack, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 9914:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII
Wayne S. Holland; Jonas Zmuidzinas, Editor(s)

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