J Low Temp Phys (2018) 193:267–275 https://doi.org/10.1007/s10909-018-1982-4 Characterization of the Mid-Frequency Arrays for Advanced ACTPol 1 2 2 1 3,4 S. K. Choi · J. Austermann · J. A. Beall · K. T. Crowley · R. Datta · 2 5 1 2 5 S. M. Duff · P. A. Gallardo · S. P. Ho · J. Hubmayr · B. J. Koopman · 1 6 5 1 1 Y. Li · F. Nati · M. D. Niemack · L. A. Page · M. Salatino · 3 1 5 2 4 S. M. Simon · S. T. Staggs · J. Stevens · J. Ullom · E. J. Wollack Received: 13 November 2017 / Accepted: 21 May 2018 / Published online: 4 June 2018 © Springer Science+Business Media, LLC, part of Springer Nature 2018 Abstract The Advanced ACTPol upgrade on the Atacama Cosmology Telescope aims to improve the measurement of the cosmic microwave background anisotropies and polarization, using four new dichroic detector arrays fabricated on 150-mm sili- con wafers. These bolometric cameras use AlMn transition-edge sensors, coupled to feedhorns with orthomode transducers for polarization sensitivity. The ﬁrst deployed camera is sensitive to both 150 and 230 GHz. Here, we present the laboratory
Journal of Low Temperature Physics – Springer Journals
Published: Jun 4, 2018
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