Initial performance of the BICEP2 antenna-coupled superconducting bolometers at the South Pole

J. A. Brevik; R. W. Aikin; M. Amiri; S. J. Benton; J. J. Bock; J. A. Bonetti; B. Burger; C. D. Dowell; L. Duband; J. P. Filippini; S. R. Golwala; M. Halpern; M. Hasselfield; G. Hilton; V. V. Hristov; K. Irwin; J. P. Kaufman; B. G. Keating; J. M. Kovac; C. L. Kuo; A. E. Lange; E. M. Leitch; C. B. Netterfield; H. T. Nguyen; R. W. Ogburn IV; A. Orlando; C. Pryke; C. Reintsema; S. Richter; J. E. Ruhl; M. Runyan; C. Sheehy; Z. Staniszewski; R. Sudiwala; J. E. Tolan; A. D. Turner; P. Wilson; C. L. Wong

doi:10.1117/12.857861

Initial performance of the BICEP2 antenna-coupled superconducting bolometers at the South Pole

J. A. Brevik, R. W. Aikin, M. Amiri, S. J. Benton, J. J. Bock, J. A. Bonetti, B. Burger, C. D. Dowell, L. Duband, J. P. Filippini, S. R. Golwala, M. Halpern, M. Hasselfield, G. Hilton, V. V. Hristov, K. Irwin, J. P. Kaufman, B. G. Keating, J. M. Kovac, C. L. KuoA. E. Lange, E. M. Leitch, C. B. Netterfield, H. T. Nguyen, R. W. Ogburn IV, A. Orlando, C. Pryke, C. Reintsema, S. Richter, J. E. Ruhl, M. Runyan, C. Sheehy, Z. Staniszewski, R. Sudiwala, J. E. Tolan, A. D. Turner, P. Wilson, C. L. Wong

Physics and Astronomy (Twin Cities)

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

12 Scopus citations

Abstract

We report on the preliminary detector performance of the Bicep2 mm-wave polarimeter, deployed in 2009 to the South Pole. Bicep2 is currently imaging the polarization of the cosmic microwave background at 150 GHz using an array of 512 antenna-coupled superconducting bolometers. The antennas, band-defining filters and transition edge sensor (TES) bolometers are photolithographically fabricated on 4 silicon tiles. Each tile consists of an 8×8 grid of ~7 mm spatial pixels, for a total of 256 detector pairs. A spatial pixel contains 2 sets of orthogonal antenna slots summed in-phase, with each set coupled to a TES by a filtered microstrip. The detectors are read out using time-domain multiplexed SQUIDs. The detector pair of each spatial pixel is differenced to measure polarization. We report on the performance of the Bicep2 detectors in the field, including the focal plane yield, detector and multiplexer optimization, detector noise and stability, and a preliminary estimate of the improvement in mapping speed compared to Bicep1.

Original language	English (US)
Title of host publication	Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V
DOIs	https://doi.org/10.1117/12.857861
State	Published - 2010
Event	Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V - San Diego, CA, United States Duration: Jun 29 2010 → Jul 2 2010

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	7741
ISSN (Print)	0277-786X

Conference

Conference	Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V
Country/Territory	United States
City	San Diego, CA
Period	6/29/10 → 7/2/10

Keywords

Cosmic microwave background
TES
cosmology
gravitational waves
inflation
noise
polarization

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Brevik, J. A., Aikin, R. W., Amiri, M., Benton, S. J., Bock, J. J., Bonetti, J. A., Burger, B., Dowell, C. D., Duband, L., Filippini, J. P., Golwala, S. R., Halpern, M., Hasselfield, M., Hilton, G., Hristov, V. V., Irwin, K., Kaufman, J. P., Keating, B. G., Kovac, J. M., ... Wong, C. L. (2010). Initial performance of the BICEP2 antenna-coupled superconducting bolometers at the South Pole. In Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V Article 77411H (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7741). https://doi.org/10.1117/12.857861

Initial performance of the BICEP2 antenna-coupled superconducting bolometers at the South Pole. / Brevik, J. A.; Aikin, R. W.; Amiri, M. et al.
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V. 2010. 77411H (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 7741).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Brevik, JA, Aikin, RW, Amiri, M, Benton, SJ, Bock, JJ, Bonetti, JA, Burger, B, Dowell, CD, Duband, L, Filippini, JP, Golwala, SR, Halpern, M, Hasselfield, M, Hilton, G, Hristov, VV, Irwin, K, Kaufman, JP, Keating, BG, Kovac, JM, Kuo, CL, Lange, AE, Leitch, EM, Netterfield, CB, Nguyen, HT, Ogburn IV, RW, Orlando, A, Pryke, C, Reintsema, C, Richter, S, Ruhl, JE, Runyan, M, Sheehy, C, Staniszewski, Z, Sudiwala, R, Tolan, JE, Turner, AD, Wilson, P & Wong, CL 2010, Initial performance of the BICEP2 antenna-coupled superconducting bolometers at the South Pole. in Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V., 77411H, Proceedings of SPIE - The International Society for Optical Engineering, vol. 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, San Diego, CA, United States, 6/29/10. https://doi.org/10.1117/12.857861

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abstract = "We report on the preliminary detector performance of the Bicep2 mm-wave polarimeter, deployed in 2009 to the South Pole. Bicep2 is currently imaging the polarization of the cosmic microwave background at 150 GHz using an array of 512 antenna-coupled superconducting bolometers. The antennas, band-defining filters and transition edge sensor (TES) bolometers are photolithographically fabricated on 4 silicon tiles. Each tile consists of an 8×8 grid of ~7 mm spatial pixels, for a total of 256 detector pairs. A spatial pixel contains 2 sets of orthogonal antenna slots summed in-phase, with each set coupled to a TES by a filtered microstrip. The detectors are read out using time-domain multiplexed SQUIDs. The detector pair of each spatial pixel is differenced to measure polarization. We report on the performance of the Bicep2 detectors in the field, including the focal plane yield, detector and multiplexer optimization, detector noise and stability, and a preliminary estimate of the improvement in mapping speed compared to Bicep1.",

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AU - Benton, S. J.

AU - Bock, J. J.

AU - Bonetti, J. A.

AU - Burger, B.

AU - Dowell, C. D.

AU - Duband, L.

AU - Filippini, J. P.

AU - Golwala, S. R.

AU - Halpern, M.

AU - Hasselfield, M.

AU - Hilton, G.

AU - Hristov, V. V.

AU - Irwin, K.

AU - Kaufman, J. P.

AU - Keating, B. G.

AU - Kovac, J. M.

AU - Kuo, C. L.

AU - Lange, A. E.

AU - Leitch, E. M.

AU - Netterfield, C. B.

AU - Nguyen, H. T.

AU - Ogburn IV, R. W.

AU - Orlando, A.

AU - Pryke, C.

AU - Reintsema, C.

AU - Richter, S.

AU - Ruhl, J. E.

AU - Runyan, M.

AU - Sheehy, C.

AU - Staniszewski, Z.

AU - Sudiwala, R.

AU - Tolan, J. E.

AU - Turner, A. D.

AU - Wilson, P.

AU - Wong, C. L.

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N2 - We report on the preliminary detector performance of the Bicep2 mm-wave polarimeter, deployed in 2009 to the South Pole. Bicep2 is currently imaging the polarization of the cosmic microwave background at 150 GHz using an array of 512 antenna-coupled superconducting bolometers. The antennas, band-defining filters and transition edge sensor (TES) bolometers are photolithographically fabricated on 4 silicon tiles. Each tile consists of an 8×8 grid of ~7 mm spatial pixels, for a total of 256 detector pairs. A spatial pixel contains 2 sets of orthogonal antenna slots summed in-phase, with each set coupled to a TES by a filtered microstrip. The detectors are read out using time-domain multiplexed SQUIDs. The detector pair of each spatial pixel is differenced to measure polarization. We report on the performance of the Bicep2 detectors in the field, including the focal plane yield, detector and multiplexer optimization, detector noise and stability, and a preliminary estimate of the improvement in mapping speed compared to Bicep1.

AB - We report on the preliminary detector performance of the Bicep2 mm-wave polarimeter, deployed in 2009 to the South Pole. Bicep2 is currently imaging the polarization of the cosmic microwave background at 150 GHz using an array of 512 antenna-coupled superconducting bolometers. The antennas, band-defining filters and transition edge sensor (TES) bolometers are photolithographically fabricated on 4 silicon tiles. Each tile consists of an 8×8 grid of ~7 mm spatial pixels, for a total of 256 detector pairs. A spatial pixel contains 2 sets of orthogonal antenna slots summed in-phase, with each set coupled to a TES by a filtered microstrip. The detectors are read out using time-domain multiplexed SQUIDs. The detector pair of each spatial pixel is differenced to measure polarization. We report on the performance of the Bicep2 detectors in the field, including the focal plane yield, detector and multiplexer optimization, detector noise and stability, and a preliminary estimate of the improvement in mapping speed compared to Bicep1.

KW - Cosmic microwave background

KW - TES

KW - cosmology

KW - gravitational waves

KW - inflation

KW - noise

KW - polarization

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ER -

Initial performance of the BICEP2 antenna-coupled superconducting bolometers at the South Pole

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