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Performance of Al-Mn transition-edge sensor bolometers in SPT-3G

Anderson, A. J., Ade, P. A. R., Ahmed, Z., Avva, J. S., Barry, P. S., Thakur, R. Basu, Bender, A. N., Benson, B. A., Bryant, L., Byrum, K., Carlstrom, J. E., Carter, F. W., Cecil, T. W., Chang, C. L., Cho, H.-M., Cliche, J. F., Cukierman, A., de Haan, T., Denison, E. V., Ding, J., Dobbs, M. A., Dutcher, D., Everett, W., Ferguson, K. R., Foster, A., Fu, J., Gallicchio, J., Gambrel, A. E., Gardner, R. W., Gilbert, A., Groh, J. C., Guns, S. T., Guyser, R., Halverson, N. W., Harke-Hosemann, A. H., Harrington, N. L., Henning, J. W., Hilton, G. C., Holzapfel, W. L., Howe, D., Huang, N., Irwin, K. D., Jeong, O. B., Jonas, M., Jones, A., Khaire, T. S., Kofman, A. M., Korman, M., Kubik, D. L., Kuhlmann, S., Kuo, C.-L., Lee, A. T., Leitch, E. M., Lowitz, A. E., Meyer, S. S., Michalik, D., Montgomery, J., Nadolski, A., Natoli, T., Nguyen, H., Noble, G. I., Novosad, V., Padin, S., Pan, Z., Paschos, P., Pearson, J., Posada, C. M., Quan, W., Rahlin, A., Riebel, D., Ruhl, J. E., Sayre, J. T., Shirokoff, E., Smecher, G., Sobrin, J. A., Stark, A. A., Stephen, J., Story, K. T., Suzuki, A., Thompson, K. L., Tucker, C., Vale, L. R., Vanderlinde, K., Vieira, J. D., Wang, G., Whitehorn, N., Yefremenko, V., Yoon, K. W. and Young, M. R. 2019. Performance of Al-Mn transition-edge sensor bolometers in SPT-3G. Journal of Low Temperature Physics 10.1007/s10909-019-02259-7
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Abstract

SPT-3G is a polarization-sensitive receiver, installed on the South Pole Telescope, that measures the anisotropy of the cosmic microwave background (CMB) from degree to arcminute scales. The receiver consists of ten 150-mm-diameter detector wafers, containing a total of ∼16,000 ∼16,000 transition-edge sensor (TES) bolometers observing at 95, 150, and 220 GHz. During the 2018–2019 austral summer, one of these detector wafers was replaced by a new wafer fabricated with Al–Mn TESs instead of the Ti/Au design originally deployed for SPT-3G. We present the results of in-laboratory characterization and on-sky performance of this Al–Mn wafer, including electrical and thermal properties, optical efficiency measurements, and noise-equivalent temperature. In addition, we discuss and account for several calibration-related systematic errors that affect measurements made using frequency-domain multiplexing readout electronics.

Item Type: Article
Date Type: Published Online
Status: In Press
Schools: Physics and Astronomy
Publisher: Springer Verlag
ISSN: 0022-2291
Date of First Compliant Deposit: 5 December 2019
Date of Acceptance: 8 November 2019
Last Modified: 09 Dec 2019 11:00
URI: http://orca.cf.ac.uk/id/eprint/127351

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