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Title: Detector and Readout Assembly and Characterization for the Simons Array

Abstract

The Simons Array (SA) is a cosmic microwave background (CMB) polarization experiment comprised of three telescopes that will observe the CMB at 90, 150, 220, and 270GHz with more than 22,000 Transition Edge Sensor (TES) bolometers. The cryogenic receivers inside each telescope are named POLARBEAR-2a, POLARBEAR-2b, and POLARBEAR-2c (PB-2a, PB-2b, and PB-2c, respectively). To allow for the large number of detectors, SA uses frequency-division multiplexing with multiplexing factor of 40. We describe the process developed to assemble the readout circuit repeatably for SA. After assembly, we characterize the readout circuit and TESs at cryogenic temperatures in a condition of negligible incident optical power. Impedances in the readout circuit bias our estimates of TES parameters, and we describe a method to account for this.

Authors:
; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
National Science Foundation (NSF); Simons Foundation; Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan; Natural Sciences and Engineering Research Council of Canada (NSERC); Canadian Institute for Advanced Research (CIFAR)
OSTI Identifier:
1572489
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Journal of Low Temperature Physics
Additional Journal Information:
Journal Volume: 193; Journal Issue: 5-6
Country of Publication:
United States
Language:
English
Subject:
TES bolometer; cosmic microwave background; frequency-division multiplexing

Citation Formats

Elleflot, T., Akiba, Y., Arnold, K., Avva, J., Barron, D., Bender, A. N., Cukierman, A., de Haan, T., Dobbs, M., and Groh, J. Detector and Readout Assembly and Characterization for the Simons Array. United States: N. p., 2018. Web. doi:10.1007/s10909-018-2058-1.
Elleflot, T., Akiba, Y., Arnold, K., Avva, J., Barron, D., Bender, A. N., Cukierman, A., de Haan, T., Dobbs, M., & Groh, J. Detector and Readout Assembly and Characterization for the Simons Array. United States. doi:10.1007/s10909-018-2058-1.
Elleflot, T., Akiba, Y., Arnold, K., Avva, J., Barron, D., Bender, A. N., Cukierman, A., de Haan, T., Dobbs, M., and Groh, J. Sat . "Detector and Readout Assembly and Characterization for the Simons Array". United States. doi:10.1007/s10909-018-2058-1.
@article{osti_1572489,
title = {Detector and Readout Assembly and Characterization for the Simons Array},
author = {Elleflot, T. and Akiba, Y. and Arnold, K. and Avva, J. and Barron, D. and Bender, A. N. and Cukierman, A. and de Haan, T. and Dobbs, M. and Groh, J.},
abstractNote = {The Simons Array (SA) is a cosmic microwave background (CMB) polarization experiment comprised of three telescopes that will observe the CMB at 90, 150, 220, and 270GHz with more than 22,000 Transition Edge Sensor (TES) bolometers. The cryogenic receivers inside each telescope are named POLARBEAR-2a, POLARBEAR-2b, and POLARBEAR-2c (PB-2a, PB-2b, and PB-2c, respectively). To allow for the large number of detectors, SA uses frequency-division multiplexing with multiplexing factor of 40. We describe the process developed to assemble the readout circuit repeatably for SA. After assembly, we characterize the readout circuit and TESs at cryogenic temperatures in a condition of negligible incident optical power. Impedances in the readout circuit bias our estimates of TES parameters, and we describe a method to account for this.},
doi = {10.1007/s10909-018-2058-1},
journal = {Journal of Low Temperature Physics},
number = 5-6,
volume = 193,
place = {United States},
year = {2018},
month = {12}
}

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