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Design and characterization of 90 GHz feedhorn-coupled TES polarimeter pixels in the SPTPol camera

Sayre, J. T., Ade, Peter A. R., Aird, K. A., Austermann, J. E., Beall, J. A., Becker, D., Benson, B. A., Bleem, L. E., Britton, J., Carlstrom, J. E., Chang, C. L., Cho, H.-M., Crawford, T. M., Crites, A. T., Datesman, A., de Haan, T., Dobbs, M. A., Everett, W., Ewall-Wice, A., George, E. M., Halverson, N. W., Harrington, N., Henning, J. W., Hilton, G. C., Holzapfel, W. L., Hubmayr, J., Irwin, K. D., Karfunkle, M., Keisler, R., Kennedy, J., Lee, A. T., Leitch, E., Li, D., Lueker, M., Marrone, D. P., McMahon, J. J., Mehl, J., Meyer, S. S., Montgomery, J., Montroy, T. E., Nagy, J., Natoli, T., Nibarger, J. P., Niemack, M. D., Novosad, V., Padin, S., Pryke, C., Reichardt, C. L., Ruhl, J. E., Saliwanchik, B. R., Schaffer, K. K., Shirokoff, E., Story, K., Tucker, Carole, Vanderlinde, K., Vieira, J. D., Wang, G., Williamson, R., Yefremenko, V., Yoon, K. W. and Young, E. 2012. Design and characterization of 90 GHz feedhorn-coupled TES polarimeter pixels in the SPTPol camera. Presented at: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI, Amsterdam, The Netherlands, 1 July 2012. Proc. SPIE 8452: Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI. The International Society for Optical Engineering, p. 845239. 10.1117/12.927035

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Abstract

The SPTpol camera is a two-color, polarization-sensitive bolometer receiver, and was installed on the 10 meter South Pole Telescope in January 2012. SPTpol is designed to study the faint polarization signals in the Cosmic Microwave Background, with two primary scientific goals. One is to constrain the tensor-to-scalar ratio of perturbations in the primordial plasma, and thus constrain the space of permissible in inflationary models. The other is to measure the weak lensing effect of large-scale structure on CMB polarization, which can be used to constrain the sum of neutrino masses as well as other growth-related parameters. The SPTpol focal plane consists of seven 84-element monolithic arrays of 150 GHz pixels (588 total) and 180 individual 90 GHz single- pixel modules. In this paper we present the design and characterization of the 90 GHz modules.

Item Type: Conference or Workshop Item (Poster)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: The International Society for Optical Engineering
ISSN: 0277-786X
Last Modified: 04 Jun 2017 04:57
URI: http://orca-mwe.cf.ac.uk/id/eprint/46758

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