BICEP2/KECK ARRAY. IV. OPTICAL CHARACTERIZATION and PERFORMANCE OF THE BICEP2 AND KECK ARRAY EXPERIMENTS

P. A R Ade; R. W. Aikin; D. Barkats; S. J. Benton; C. A. Bischoff; J. J. Bock; K. J. Bradford; J. A. Brevik; I. Buder; E. Bullock; C. D. Dowell; L. Duband; J. P. Filippini; S. Fliescher; S. R. Golwala; M. Halpern; M. Hasselfield; S. R. Hildebrandt; G. C. Hilton; H. Hui; K. D. Irwin; J. H. Kang; K. S. Karkare; J. P. Kaufman; B. G. Keating; S. Kefeli; S. A. Kernasovskiy; J. M. Kovac; C. L. Kuo; E. M. Leitch; M. Lueker; K. G. Megerian; C. B. Netterfield; H. T. Nguyen; R. O'Brient; R. W. Ogburn; A. Orlando; C. Pryke; S. Richter; R. Schwarz; C. D. Sheehy; Z. K. Staniszewski; R. V. Sudiwala; G. P. Teply; K. Thompson; J. E. Tolan; A. D. Turner; A. G. Vieregg; A. C. Weber; C. L. Wong; K. W. Yoon

doi:10.1088/0004-637X/806/2/206

BICEP2/KECK ARRAY. IV. OPTICAL CHARACTERIZATION and PERFORMANCE OF THE BICEP2 AND KECK ARRAY EXPERIMENTS

P. A R Ade, R. W. Aikin, D. Barkats, S. J. Benton, C. A. Bischoff, J. J. Bock, K. J. Bradford, J. A. Brevik, I. Buder, E. Bullock, C. D. Dowell, L. Duband, J. P. Filippini, S. Fliescher, S. R. Golwala, M. Halpern, M. Hasselfield, S. R. Hildebrandt, G. C. Hilton, H. HuiK. D. Irwin, J. H. Kang, K. S. Karkare, J. P. Kaufman, B. G. Keating, S. Kefeli, S. A. Kernasovskiy, J. M. Kovac, C. L. Kuo, E. M. Leitch, M. Lueker, K. G. Megerian, C. B. Netterfield, H. T. Nguyen, R. O'Brient, R. W. Ogburn, A. Orlando, C. Pryke, S. Richter, R. Schwarz, C. D. Sheehy, Z. K. Staniszewski, R. V. Sudiwala, G. P. Teply, K. Thompson, J. E. Tolan, A. D. Turner, A. G. Vieregg, A. C. Weber, C. L. Wong, K. W. Yoon

Physics and Astronomy (Twin Cities)

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29 Scopus citations

Abstract

BICEP2 and the Keck Array are polarization-sensitive microwave telescopes that observe the cosmic microwave background (CMB) from the South Pole at degree angular scales in search of a signature of inflation imprinted as B-mode polarization in the CMB. BICEP2 was deployed in late 2009, observed for three years until the end of 2012 at 150 GHz with 512 antenna-coupled transition edge sensor bolometers, and has reported a detection of B-mode polarization on degree angular scales. The Keck Array was first deployed in late 2010 and will observe through 2016 with five receivers at several frequencies (95, 150, and 220 GHz). BICEP2 and the Keck Array share a common optical design and employ the field-proven BICEP1 strategy of using small-aperture, cold, on-axis refractive optics, providing excellent control of systematics while maintaining a large field of view. This design allows for full characterization of far-field optical performance using microwave sources on the ground. Here we describe the optical design of both instruments and report a full characterization of the optical performance and beams of BICEP2 and the Keck Array at 150 GHz.

Original language	English (US)
Article number	206
Journal	Astrophysical Journal
Volume	806
Issue number	2
DOIs	https://doi.org/10.1088/0004-637X/806/2/206
State	Published - Jun 20 2015

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Publisher Copyright:
© 2015. The American Astronomical Society. All rights reserved.

Keywords

cosmic background radiation
cosmology: observations
gravitational waves
inflation
polarization

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Ade, P. A. R., Aikin, R. W., Barkats, D., Benton, S. J., Bischoff, C. A., Bock, J. J., Bradford, K. J., Brevik, J. A., Buder, I., Bullock, E., Dowell, C. D., Duband, L., Filippini, J. P., Fliescher, S., Golwala, S. R., Halpern, M., Hasselfield, M., Hildebrandt, S. R., Hilton, G. C., ... Yoon, K. W. (2015). BICEP2/KECK ARRAY. IV. OPTICAL CHARACTERIZATION and PERFORMANCE OF THE BICEP2 AND KECK ARRAY EXPERIMENTS. Astrophysical Journal, 806(2), Article 206. https://doi.org/10.1088/0004-637X/806/2/206

Ade, PAR, Aikin, RW, Barkats, D, Benton, SJ, Bischoff, CA, Bock, JJ, Bradford, KJ, Brevik, JA, Buder, I, Bullock, E, Dowell, CD, Duband, L, Filippini, JP, Fliescher, S, Golwala, SR, Halpern, M, Hasselfield, M, Hildebrandt, SR, Hilton, GC, Hui, H, Irwin, KD, Kang, JH, Karkare, KS, Kaufman, JP, Keating, BG, Kefeli, S, Kernasovskiy, SA, Kovac, JM, Kuo, CL, Leitch, EM, Lueker, M, Megerian, KG, Netterfield, CB, Nguyen, HT, O'Brient, R, Ogburn, RW, Orlando, A, Pryke, C, Richter, S, Schwarz, R, Sheehy, CD, Staniszewski, ZK, Sudiwala, RV, Teply, GP, Thompson, K, Tolan, JE, Turner, AD, Vieregg, AG, Weber, AC, Wong, CL & Yoon, KW 2015, 'BICEP2/KECK ARRAY. IV. OPTICAL CHARACTERIZATION and PERFORMANCE OF THE BICEP2 AND KECK ARRAY EXPERIMENTS', Astrophysical Journal, vol. 806, no. 2, 206. https://doi.org/10.1088/0004-637X/806/2/206

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abstract = "BICEP2 and the Keck Array are polarization-sensitive microwave telescopes that observe the cosmic microwave background (CMB) from the South Pole at degree angular scales in search of a signature of inflation imprinted as B-mode polarization in the CMB. BICEP2 was deployed in late 2009, observed for three years until the end of 2012 at 150 GHz with 512 antenna-coupled transition edge sensor bolometers, and has reported a detection of B-mode polarization on degree angular scales. The Keck Array was first deployed in late 2010 and will observe through 2016 with five receivers at several frequencies (95, 150, and 220 GHz). BICEP2 and the Keck Array share a common optical design and employ the field-proven BICEP1 strategy of using small-aperture, cold, on-axis refractive optics, providing excellent control of systematics while maintaining a large field of view. This design allows for full characterization of far-field optical performance using microwave sources on the ground. Here we describe the optical design of both instruments and report a full characterization of the optical performance and beams of BICEP2 and the Keck Array at 150 GHz.",

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AU - Ade, P. A R

AU - Aikin, R. W.

AU - Barkats, D.

AU - Benton, S. J.

AU - Bischoff, C. A.

AU - Bock, J. J.

AU - Bradford, K. J.

AU - Brevik, J. A.

AU - Buder, I.

AU - Bullock, E.

AU - Dowell, C. D.

AU - Duband, L.

AU - Filippini, J. P.

AU - Fliescher, S.

AU - Golwala, S. R.

AU - Halpern, M.

AU - Hasselfield, M.

AU - Hildebrandt, S. R.

AU - Hilton, G. C.

AU - Hui, H.

AU - Irwin, K. D.

AU - Kang, J. H.

AU - Karkare, K. S.

AU - Kaufman, J. P.

AU - Keating, B. G.

AU - Kefeli, S.

AU - Kernasovskiy, S. A.

AU - Kovac, J. M.

AU - Kuo, C. L.

AU - Leitch, E. M.

AU - Lueker, M.

AU - Megerian, K. G.

AU - Netterfield, C. B.

AU - Nguyen, H. T.

AU - O'Brient, R.

AU - Ogburn, R. W.

AU - Orlando, A.

AU - Pryke, C.

AU - Richter, S.

AU - Schwarz, R.

AU - Sheehy, C. D.

AU - Staniszewski, Z. K.

AU - Sudiwala, R. V.

AU - Teply, G. P.

AU - Thompson, K.

AU - Tolan, J. E.

AU - Turner, A. D.

AU - Vieregg, A. G.

AU - Weber, A. C.

AU - Wong, C. L.

AU - Yoon, K. W.

PY - 2015/6/20

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N2 - BICEP2 and the Keck Array are polarization-sensitive microwave telescopes that observe the cosmic microwave background (CMB) from the South Pole at degree angular scales in search of a signature of inflation imprinted as B-mode polarization in the CMB. BICEP2 was deployed in late 2009, observed for three years until the end of 2012 at 150 GHz with 512 antenna-coupled transition edge sensor bolometers, and has reported a detection of B-mode polarization on degree angular scales. The Keck Array was first deployed in late 2010 and will observe through 2016 with five receivers at several frequencies (95, 150, and 220 GHz). BICEP2 and the Keck Array share a common optical design and employ the field-proven BICEP1 strategy of using small-aperture, cold, on-axis refractive optics, providing excellent control of systematics while maintaining a large field of view. This design allows for full characterization of far-field optical performance using microwave sources on the ground. Here we describe the optical design of both instruments and report a full characterization of the optical performance and beams of BICEP2 and the Keck Array at 150 GHz.

AB - BICEP2 and the Keck Array are polarization-sensitive microwave telescopes that observe the cosmic microwave background (CMB) from the South Pole at degree angular scales in search of a signature of inflation imprinted as B-mode polarization in the CMB. BICEP2 was deployed in late 2009, observed for three years until the end of 2012 at 150 GHz with 512 antenna-coupled transition edge sensor bolometers, and has reported a detection of B-mode polarization on degree angular scales. The Keck Array was first deployed in late 2010 and will observe through 2016 with five receivers at several frequencies (95, 150, and 220 GHz). BICEP2 and the Keck Array share a common optical design and employ the field-proven BICEP1 strategy of using small-aperture, cold, on-axis refractive optics, providing excellent control of systematics while maintaining a large field of view. This design allows for full characterization of far-field optical performance using microwave sources on the ground. Here we describe the optical design of both instruments and report a full characterization of the optical performance and beams of BICEP2 and the Keck Array at 150 GHz.

KW - cosmic background radiation

KW - cosmology: observations

KW - gravitational waves

KW - inflation

KW - polarization

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DO - 10.1088/0004-637X/806/2/206

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VL - 806

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ER -

BICEP2/KECK ARRAY. IV. OPTICAL CHARACTERIZATION and PERFORMANCE OF THE BICEP2 AND KECK ARRAY EXPERIMENTS

Abstract

Bibliographical note

Keywords

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