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Proceedings Article

Integrated performance of a frequency domain multiplexing readout in the SPT-3G receiver

[+] Author Affiliations
A. N. Bender, L. E. Bleem, K. Byrum, F. W. Carter, C. L. Chang, D. A. Czaplewski, J. Ding, R. Divan, T. Khaire, S. Lendinez, C. S. Miller, V. Novosad, J. Pearson, C. M. Posada, L. Stan, G. Wang, V. Yefremenko

Argonne National Lab. (United States)

P. A. R. Ade, C. Tucker

Cardiff Univ. (United Kingdom)

A. J. Anderson, B. A. Benson, D. Kubik, H. Nguyen, A. Rahlin

Fermi National Accelerator Lab. (United States)

J. Avva, A. Cukierman, T. de Haan, J. C. Groh, N. L. Harrington, W. L. Holzapfel, N. Huang, O. Jeong, A. T. Lee, Ian Shirley, A. Suzuki, N. Whitehorn

Univ. of California, Berkeley (United States)

Z. Ahmed, K. D. Irwin, C. L. Kuo, K. Story, K. L. Thompson, K. W. Yoon

Kavli Institute for Particle Astrophysics & Cosmology (United States)

K. Arnold

Univ. of Wisconsin-Madison (United States)

J. E. Austermann

NIST Quantum Devices Group (United States)

R. Basu Thakur, J. E. Carlstrom, T. M. Crawford, D. Dutcher, J. W. Henning, E. M. Leitch, S. S. Meyer, S. Padin, Z. Pan, E. Shirokoff, J. Sobrin

Kavli Institute for Cosmological Physics (United States)

H. M. Cho

SLAC National Accelerator Lab. (United States)

J. F. Cliche, M. A. Dobbs, A. Gilbert, J. Montgomery

McGill Univ. (Canada)

W. Everett, N. W. Halverson, J. T. Sayre

Univ. of Colorado at Boulder (United States)

R. Guyser, A. Harke-Hosemann, A. Nadolski, J. D. Vieira

Univ. of Illinois at Urbana-Champaign (United States)

K. Hattori

High Energy Accelerator Research Organization, KEK (Japan)

G. C. Hilton

National Institute of Standards and Technology (United States)

M. Korman, J. E. Ruhl, B. R. Saliwanchik, J. A. Shariff

Univ. of California, Davis (United States)

T. Natoli, K. Vanderlinde

Harvard-Smithsonian Ctr. for Astrophysics (United States)

C. L. Reichardt

The Univ. of Melbourne (Australia)

G. Smecher

Case Western Reserve Univ. (United States)

A. A. Stark

Three-Speed Logic, Inc. (United States)

Q. Y. Tang

The Univ. of Chicago (United States)

Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99141D (July 20, 2016); doi:10.1117/12.2232146
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From Conference Volume 9914

  • Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII
  • Wayne S. Holland; Jonas Zmuidzinas
  • Edinburgh, United Kingdom | June 26, 2016

abstract

The third generation receiver for the South Pole Telescope, SPT-3G, will make extremely deep, arcminuteresolution maps of the temperature and polarization of the cosmic microwave background. The SPT-3G maps will enable studies of the B-mode polarization signature, constraining primordial gravitational waves as well as the effect of massive neutrinos on structure formation in the late universe. The SPT-3G receiver will achieve exceptional sensitivity through a focal plane of ~16,000 transition-edge sensor bolometers, an order of magnitude more than the current SPTpol receiver. SPT-3G uses a frequency domain multiplexing (fMux) scheme to read out the focal plane, combining the signals from 64 bolometers onto a single pair of wires. The fMux readout facilitates the large number of detectors in the SPT-3G focal plane by limiting the thermal load due to readout wiring on the 250 millikelvin cryogenic stage. A second advantage of the fMux system is that the operation of each bolometer can be optimized. In addition to these benefits, the fMux readout introduces new challenges into the design and operation of the receiver. The bolometers are operated at a range of frequencies up to 5 MHz, requiring control of stray reactances over a large bandwidth. Additionally, crosstalk between multiplexed detectors will inject large false signals into the data if not adequately mitigated. SPT-3G is scheduled to deploy to the South Pole Telescope in late 2016. Here, we present the pre-deployment performance of the fMux readout system with the SPT-3G focal plane. © (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

A. N. Bender ; P. A. R. Ade ; A. J. Anderson ; J. Avva ; Z. Ahmed, et al.
" Integrated performance of a frequency domain multiplexing readout in the SPT-3G receiver ", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 99141D (July 20, 2016); doi:10.1117/12.2232146; http://dx.doi.org/10.1117/12.2232146


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