Initial Performance of Bicep3: A Degree Angular Scale 95 GHz Band Polarimeter

W. L K Wu; P. A R Ade; Z. Ahmed; K. D. Alexander; M. Amiri; D. Barkats; S. J. Benton; C. A. Bischoff; J. J. Bock; R. Bowens-Rubin; I. Buder; E. Bullock; V. Buza; J. A. Connors; J. P. Filippini; S. Fliescher; J. A. Grayson; M. Halpern; S. A. Harrison; G. C. Hilton; V. V. Hristov; H. Hui; K. D. Irwin; J. Kang; K. S. Karkare; E. Karpel; S. Kefeli; S. A. Kernasovskiy; J. M. Kovac; C. L. Kuo; K. G. Megerian; C. B. Netterfield; H. T. Nguyen; R. O’Brient; R. W. Ogburn; C. Pryke; C. D. Reintsema; S. Richter; C. Sorensen; Z. K. Staniszewski; B. Steinbach; R. V. Sudiwala; G. P. Teply; K. L. Thompson; J. E. Tolan; C. E. Tucker; A. D. Turner; A. G. Vieregg; A. C. Weber; D. V. Wiebe; J. Willmert; K. W. Yoon

doi:10.1007/s10909-015-1403-x

Initial Performance of Bicep3: A Degree Angular Scale 95 GHz Band Polarimeter

W. L K Wu, P. A R Ade, Z. Ahmed, K. D. Alexander, M. Amiri, D. Barkats, S. J. Benton, C. A. Bischoff, J. J. Bock, R. Bowens-Rubin, I. Buder, E. Bullock, V. Buza, J. A. Connors, J. P. Filippini, S. Fliescher, J. A. Grayson, M. Halpern, S. A. Harrison, G. C. HiltonV. V. Hristov, H. Hui, K. D. Irwin, J. Kang, K. S. Karkare, E. Karpel, S. Kefeli, S. A. Kernasovskiy, J. M. Kovac, C. L. Kuo, K. G. Megerian, C. B. Netterfield, H. T. Nguyen, R. O’Brient, R. W. Ogburn, C. Pryke, C. D. Reintsema, S. Richter, C. Sorensen, Z. K. Staniszewski, B. Steinbach, R. V. Sudiwala, G. P. Teply, K. L. Thompson, J. E. Tolan, C. E. Tucker, A. D. Turner, A. G. Vieregg, A. C. Weber, D. V. Wiebe, J. Willmert, K. W. Yoon

Physics and Astronomy (Twin Cities)

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Abstract

Bicep3 is a 550-mm aperture telescope with cold, on-axis, refractive optics designed to observe at the 95-GHz band from the South Pole. It is the newest member of the Bicep/Keck family of inflationary probes specifically designed to measure the polarization of the cosmic microwave background (CMB) at degree angular scales. Bicep3 is designed to house 1280 dual-polarization pixels, which, when fully populated, totals to ∼ 9× the number of pixels in a single Keck 95-GHz receiver, thus further advancing the Bicep/Keck program’s 95 GHz mapping speed. Bicep3 was deployed during the austral summer of 2014–2015 with nine detector tiles, to be increased to its full capacity of 20 in the second season. After instrument characterization, measurements were taken, and CMB observation commenced in April 2015. Together with multi-frequency observation data from Planck, Bicep2, and the Keck Array, Bicep3 is projected to set upper limits on the tensor-to-scalar ratio to r≲ 0.03 at 95 % C.L.

Original language	English (US)
Pages (from-to)	765-771
Number of pages	7
Journal	Journal of Low Temperature Physics
Volume	184
Issue number	3-4
DOIs	https://doi.org/10.1007/s10909-015-1403-x
State	Published - Aug 1 2016

Bibliographical note

Publisher Copyright:
© 2015, The Author(s).

Keywords

Cosmic microwave background
Inflation
Instrumentation: polarimetry
Primordial gravitational waves
Telescopes

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Wu, W. L. K., Ade, P. A. R., Ahmed, Z., Alexander, K. D., Amiri, M., Barkats, D., Benton, S. J., Bischoff, C. A., Bock, J. J., Bowens-Rubin, R., Buder, I., Bullock, E., Buza, V., Connors, J. A., Filippini, J. P., Fliescher, S., Grayson, J. A., Halpern, M., Harrison, S. A., ... Yoon, K. W. (2016). Initial Performance of Bicep3: A Degree Angular Scale 95 GHz Band Polarimeter. Journal of Low Temperature Physics, 184(3-4), 765-771. https://doi.org/10.1007/s10909-015-1403-x

Wu, WLK, Ade, PAR, Ahmed, Z, Alexander, KD, Amiri, M, Barkats, D, Benton, SJ, Bischoff, CA, Bock, JJ, Bowens-Rubin, R, Buder, I, Bullock, E, Buza, V, Connors, JA, Filippini, JP, Fliescher, S, Grayson, JA, Halpern, M, Harrison, SA, Hilton, GC, Hristov, VV, Hui, H, Irwin, KD, Kang, J, Karkare, KS, Karpel, E, Kefeli, S, Kernasovskiy, SA, Kovac, JM, Kuo, CL, Megerian, KG, Netterfield, CB, Nguyen, HT, O’Brient, R, Ogburn, RW, Pryke, C, Reintsema, CD, Richter, S, Sorensen, C, Staniszewski, ZK, Steinbach, B, Sudiwala, RV, Teply, GP, Thompson, KL, Tolan, JE, Tucker, CE, Turner, AD, Vieregg, AG, Weber, AC, Wiebe, DV, Willmert, J & Yoon, KW 2016, 'Initial Performance of Bicep3: A Degree Angular Scale 95 GHz Band Polarimeter', Journal of Low Temperature Physics, vol. 184, no. 3-4, pp. 765-771. https://doi.org/10.1007/s10909-015-1403-x

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abstract = "Bicep3 is a 550-mm aperture telescope with cold, on-axis, refractive optics designed to observe at the 95-GHz band from the South Pole. It is the newest member of the Bicep/Keck family of inflationary probes specifically designed to measure the polarization of the cosmic microwave background (CMB) at degree angular scales. Bicep3 is designed to house 1280 dual-polarization pixels, which, when fully populated, totals to ∼ 9× the number of pixels in a single Keck 95-GHz receiver, thus further advancing the Bicep/Keck program{\textquoteright}s 95 GHz mapping speed. Bicep3 was deployed during the austral summer of 2014–2015 with nine detector tiles, to be increased to its full capacity of 20 in the second season. After instrument characterization, measurements were taken, and CMB observation commenced in April 2015. Together with multi-frequency observation data from Planck, Bicep2, and the Keck Array, Bicep3 is projected to set upper limits on the tensor-to-scalar ratio to r≲ 0.03 at 95 % C.L.",

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doi = "10.1007/s10909-015-1403-x",

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AU - Wu, W. L K

AU - Ade, P. A R

AU - Ahmed, Z.

AU - Alexander, K. D.

AU - Amiri, M.

AU - Barkats, D.

AU - Benton, S. J.

AU - Bischoff, C. A.

AU - Bock, J. J.

AU - Bowens-Rubin, R.

AU - Buder, I.

AU - Bullock, E.

AU - Buza, V.

AU - Connors, J. A.

AU - Filippini, J. P.

AU - Fliescher, S.

AU - Grayson, J. A.

AU - Halpern, M.

AU - Harrison, S. A.

AU - Hilton, G. C.

AU - Hristov, V. V.

AU - Hui, H.

AU - Irwin, K. D.

AU - Kang, J.

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AU - Kefeli, S.

AU - Kernasovskiy, S. A.

AU - Kovac, J. M.

AU - Kuo, C. L.

AU - Megerian, K. G.

AU - Netterfield, C. B.

AU - Nguyen, H. T.

AU - O’Brient, R.

AU - Ogburn, R. W.

AU - Pryke, C.

AU - Reintsema, C. D.

AU - Richter, S.

AU - Sorensen, C.

AU - Staniszewski, Z. K.

AU - Steinbach, B.

AU - Sudiwala, R. V.

AU - Teply, G. P.

AU - Thompson, K. L.

AU - Tolan, J. E.

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AU - Willmert, J.

AU - Yoon, K. W.

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N2 - Bicep3 is a 550-mm aperture telescope with cold, on-axis, refractive optics designed to observe at the 95-GHz band from the South Pole. It is the newest member of the Bicep/Keck family of inflationary probes specifically designed to measure the polarization of the cosmic microwave background (CMB) at degree angular scales. Bicep3 is designed to house 1280 dual-polarization pixels, which, when fully populated, totals to ∼ 9× the number of pixels in a single Keck 95-GHz receiver, thus further advancing the Bicep/Keck program’s 95 GHz mapping speed. Bicep3 was deployed during the austral summer of 2014–2015 with nine detector tiles, to be increased to its full capacity of 20 in the second season. After instrument characterization, measurements were taken, and CMB observation commenced in April 2015. Together with multi-frequency observation data from Planck, Bicep2, and the Keck Array, Bicep3 is projected to set upper limits on the tensor-to-scalar ratio to r≲ 0.03 at 95 % C.L.

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KW - Cosmic microwave background

KW - Inflation

KW - Instrumentation: polarimetry

KW - Primordial gravitational waves

KW - Telescopes

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U2 - 10.1007/s10909-015-1403-x

DO - 10.1007/s10909-015-1403-x

M3 - Article

AN - SCOPUS:84952012211

SN - 0022-2291

VL - 184

SP - 765

EP - 771

JO - Journal of Low Temperature Physics

JF - Journal of Low Temperature Physics

IS - 3-4

ER -

Initial Performance of Bicep3: A Degree Angular Scale 95 GHz Band Polarimeter

Abstract

Bibliographical note

Keywords

Access

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