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Proceedings Paper

Mechanical designs and development of TES bolometer detector arrays for the Advanced ACTPol experiment
Author(s): Jonathan T. Ward; Jason Austermann; James A. Beall; Steve K. Choi; Kevin T. Crowley; Mark J. Devlin; Shannon M. Duff; Patricio A. Gallardo; Shawn W. Henderson; Shuay-Pwu Patty Ho; Gene Hilton; Johannes Hubmayr; Niloufar Khavari; Jeffrey Klein; Brian J. Koopman; Dale Li; Jeffrey McMahon; Grace Mumby; Federico Nati; Michael D. Niemack; Lyman A. Page; Maria Salatino; Alessandro Schillaci; Benjamin L. Schmitt; Sara M. Simon; Suzanne T. Staggs; Robert Thornton; Joel N. Ullom; Eve M. Vavagiakis; Edward J. Wollack
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Paper Abstract

The next generation Advanced ACTPol (AdvACT) experiment is currently underway and will consist of four Transition Edge Sensor (TES) bolometer arrays, with three operating together, totaling ~ 5800 detectors on the sky. Building on experience gained with the ACTPol detector arrays, AdvACT will utilize various new technologies, including 150 mm detector wafers equipped with multichroic pixels, allowing for a more densely packed focal plane. Each set of detectors includes a feedhorn array of stacked silicon wafers which form a spline profile leading to each pixel. This is then followed by a waveguide interface plate, detector wafer, back short cavity plate, and backshort cap. Each array is housed in a custom designed structure manufactured from high purity copper and then gold plated. In addition to the detector array assembly, the array package also encloses cryogenic readout electronics. We present the full mechanical design of the AdvACT high frequency (HF) detector array package along with a detailed look at the detector array stack assemblies. This experiment will also make use of extensive hardware and software previously developed for ACT, which will be modified to incorporate the new AdvACT instruments. Therefore, we discuss the integration of all AdvACT arrays with pre-existing ACTPol infrastructure.

Paper Details

Date Published: 19 July 2016
PDF: 9 pages
Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 991437 (19 July 2016); doi: 10.1117/12.2233746
Show Author Affiliations
Jonathan T. Ward, Univ. of Pennsylvania (United States)
Jason Austermann, NIST Quantum Devices Group (United States)
James A. Beall, NIST Quantum Devices Group (United States)
Steve K. Choi, Princeton Univ. (United States)
Kevin T. Crowley, Princeton Univ. (United States)
Mark J. Devlin, Univ. of Pennsylvania (United States)
Shannon M. Duff, NIST Quantum Devices Group (United States)
Patricio A. Gallardo, Cornell Univ. (United States)
Shawn W. Henderson, Cornell Univ. (United States)
Shuay-Pwu Patty Ho, Princeton Univ. (United States)
Gene Hilton, National Institute of Standards and Technology (United States)
Johannes Hubmayr, NIST Quantum Devices Group (United States)
Niloufar Khavari, Univ. of Pennsylvania (United States)
Jeffrey Klein, Univ. of Pennsylvania (United States)
Brian J. Koopman, Cornell Univ. (United States)
Dale Li, SLAC National Accelerator Lab. (United States)
Jeffrey McMahon, Univ. of Michigan (United States)
Grace Mumby, Univ. of Pennsylvania (United States)
Federico Nati, Univ. of Pennsylvania (United States)
Michael D. Niemack, Cornell Univ. (United States)
Lyman A. Page, Princeton Univ. (United States)
Maria Salatino, Princeton Univ. (United States)
Alessandro Schillaci, Pontificia Univ. Catolica de Chile (Chile)
Benjamin L. Schmitt, Univ. of Pennsylvania (United States)
Sara M. Simon, Princeton Univ. (United States)
Suzanne T. Staggs, Princeton Univ. (United States)
Robert Thornton, West Chester Univ. of Pennsylvania (United States)
Joel N. Ullom, NIST Quantum Devices Group (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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