Optical characterization of the keck array polarimeter at the south pole

A. G. Vieregg; P. A R Ade; R. Aikin; C. Bischoff; J. J. Bock; J. A. Bonetti; K. J. Bradford; J. A. Brevik; C. D. Dowell; L. Duband; J. P. Filippini; S. Fliescher; S. R. Golwala; M. S. Gordon; M. Halpern; G. Hilton; V. V. Hristov; K. Irwin; S. Kernasovskiy; J. M. Kovac; C. L. Kuo; E. Leitch; M. Lueker; T. Montroy; C. B. Netterfield; H. T. Nguyen; R. O'Brient; R. W. Ogburn IV; C. Pryke; J. E. Ruhl; M. Runyan; R. Schwarz; C. Sheehy; Z. Staniszewski; R. Sudiwala; G. Teply; J. Tolan; A. D. Turner; P. Wilson; C. L. Wong

doi:10.1117/12.926639

Optical characterization of the keck array polarimeter at the south pole

A. G. Vieregg, P. A R Ade, R. Aikin, C. Bischoff, J. J. Bock, J. A. Bonetti, K. J. Bradford, J. A. Brevik, C. D. Dowell, L. Duband, J. P. Filippini, S. Fliescher, S. R. Golwala, M. S. Gordon, M. Halpern, G. Hilton, V. V. Hristov, K. Irwin, S. Kernasovskiy, J. M. KovacC. L. Kuo, E. Leitch, M. Lueker, T. Montroy, C. B. Netterfield, H. T. Nguyen, R. O'Brient, R. W. Ogburn IV, C. Pryke, J. E. Ruhl, M. Runyan, R. Schwarz, C. Sheehy, Z. Staniszewski, R. Sudiwala, G. Teply, J. Tolan, A. D. Turner, P. Wilson, C. L. Wong

Physics and Astronomy (Twin Cities)

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

6 Scopus citations

Abstract

The Keck Array (SPUD) is a set of microwave polarimeters that observes from the South Pole at degree angular scales in search of a signature of Ination imprinted as B-mode polarization in the Cosmic Microwave Background (CMB). The first three Keck Array receivers were deployed during the 2010-2011 Austral summer, followed by two new receivers in the 2011-2012 summer season, completing the full five-receiver array. All five receivers are currently observing at 150 GHz. The Keck Array employs the field-proven BICEP/BICEP2 strategy of using small, 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. We describe our efforts to characterize the main beam shape and beam shape mismatch between co-located orthogonally-polarized detector pairs, and discuss the implications of measured differential beam parameters on temperature to polarization leakage in CMB analysis.

Original language	English (US)
Title of host publication	Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI
DOIs	https://doi.org/10.1117/12.926639
State	Published - 2012
Event	Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI - Amsterdam, Netherlands Duration: Jul 3 2012 → Jul 6 2012

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	8452
ISSN (Print)	0277-786X

Other

Other	Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI
Country/Territory	Netherlands
City	Amsterdam
Period	7/3/12 → 7/6/12

Keywords

Cosmic microwave background
Ination
Polarization
The keck array

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10.1117/12.926639

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Vieregg, A. G., Ade, P. A. R., Aikin, R., Bischoff, C., Bock, J. J., Bonetti, J. A., Bradford, K. J., Brevik, J. A., Dowell, C. D., Duband, L., Filippini, J. P., Fliescher, S., Golwala, S. R., Gordon, M. S., Halpern, M., Hilton, G., Hristov, V. V., Irwin, K., Kernasovskiy, S., ... Wong, C. L. (2012). Optical characterization of the keck array polarimeter at the south pole. In Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI Article 845226 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8452). https://doi.org/10.1117/12.926639

Optical characterization of the keck array polarimeter at the south pole. / Vieregg, A. G.; Ade, P. A R; Aikin, R. et al.
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI. 2012. 845226 (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8452).

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

Vieregg, AG, Ade, PAR, Aikin, R, Bischoff, C, Bock, JJ, Bonetti, JA, Bradford, KJ, Brevik, JA, Dowell, CD, Duband, L, Filippini, JP, Fliescher, S, Golwala, SR, Gordon, MS, Halpern, M, Hilton, G, Hristov, VV, Irwin, K, Kernasovskiy, S, Kovac, JM, Kuo, CL, Leitch, E, Lueker, M, Montroy, T, Netterfield, CB, Nguyen, HT, O'Brient, R, Ogburn IV, RW, Pryke, C, Ruhl, JE, Runyan, M, Schwarz, R, Sheehy, C, Staniszewski, Z, Sudiwala, R, Teply, G, Tolan, J, Turner, AD, Wilson, P & Wong, CL 2012, Optical characterization of the keck array polarimeter at the south pole. in Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI., 845226, Proceedings of SPIE - The International Society for Optical Engineering, vol. 8452, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI, Amsterdam, Netherlands, 7/3/12. https://doi.org/10.1117/12.926639

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abstract = "The Keck Array (SPUD) is a set of microwave polarimeters that observes from the South Pole at degree angular scales in search of a signature of Ination imprinted as B-mode polarization in the Cosmic Microwave Background (CMB). The first three Keck Array receivers were deployed during the 2010-2011 Austral summer, followed by two new receivers in the 2011-2012 summer season, completing the full five-receiver array. All five receivers are currently observing at 150 GHz. The Keck Array employs the field-proven BICEP/BICEP2 strategy of using small, 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. We describe our efforts to characterize the main beam shape and beam shape mismatch between co-located orthogonally-polarized detector pairs, and discuss the implications of measured differential beam parameters on temperature to polarization leakage in CMB analysis.",

keywords = "Cosmic microwave background, Ination, Polarization, The keck array",

author = "Vieregg, {A. G.} and Ade, {P. A R} and R. Aikin and C. Bischoff and Bock, {J. J.} and Bonetti, {J. A.} and Bradford, {K. J.} and Brevik, {J. A.} and Dowell, {C. D.} and L. Duband and Filippini, {J. P.} and S. Fliescher and Golwala, {S. R.} and Gordon, {M. S.} and M. Halpern and G. Hilton and Hristov, {V. V.} and K. Irwin and S. Kernasovskiy and Kovac, {J. M.} and Kuo, {C. L.} and E. Leitch and M. Lueker and T. Montroy and Netterfield, {C. B.} and Nguyen, {H. T.} and R. O'Brient and {Ogburn IV}, {R. W.} and C. Pryke and Ruhl, {J. E.} and M. Runyan and R. Schwarz and C. Sheehy and Z. Staniszewski and R. Sudiwala and G. Teply and J. Tolan and Turner, {A. D.} and P. Wilson and Wong, {C. L.}",

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T1 - Optical characterization of the keck array polarimeter at the south pole

AU - Vieregg, A. G.

AU - Ade, P. A R

AU - Aikin, R.

AU - Bischoff, C.

AU - Bock, J. J.

AU - Bonetti, J. A.

AU - Bradford, K. J.

AU - Brevik, J. A.

AU - Dowell, C. D.

AU - Duband, L.

AU - Filippini, J. P.

AU - Fliescher, S.

AU - Golwala, S. R.

AU - Gordon, M. S.

AU - Halpern, M.

AU - Hilton, G.

AU - Hristov, V. V.

AU - Irwin, K.

AU - Kernasovskiy, S.

AU - Kovac, J. M.

AU - Kuo, C. L.

AU - Leitch, E.

AU - Lueker, M.

AU - Montroy, T.

AU - Netterfield, C. B.

AU - Nguyen, H. T.

AU - O'Brient, R.

AU - Ogburn IV, R. W.

AU - Pryke, C.

AU - Ruhl, J. E.

AU - Runyan, M.

AU - Schwarz, R.

AU - Sheehy, C.

AU - Staniszewski, Z.

AU - Sudiwala, R.

AU - Teply, G.

AU - Tolan, J.

AU - Turner, A. D.

AU - Wilson, P.

AU - Wong, C. L.

PY - 2012

Y1 - 2012

N2 - The Keck Array (SPUD) is a set of microwave polarimeters that observes from the South Pole at degree angular scales in search of a signature of Ination imprinted as B-mode polarization in the Cosmic Microwave Background (CMB). The first three Keck Array receivers were deployed during the 2010-2011 Austral summer, followed by two new receivers in the 2011-2012 summer season, completing the full five-receiver array. All five receivers are currently observing at 150 GHz. The Keck Array employs the field-proven BICEP/BICEP2 strategy of using small, 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. We describe our efforts to characterize the main beam shape and beam shape mismatch between co-located orthogonally-polarized detector pairs, and discuss the implications of measured differential beam parameters on temperature to polarization leakage in CMB analysis.

AB - The Keck Array (SPUD) is a set of microwave polarimeters that observes from the South Pole at degree angular scales in search of a signature of Ination imprinted as B-mode polarization in the Cosmic Microwave Background (CMB). The first three Keck Array receivers were deployed during the 2010-2011 Austral summer, followed by two new receivers in the 2011-2012 summer season, completing the full five-receiver array. All five receivers are currently observing at 150 GHz. The Keck Array employs the field-proven BICEP/BICEP2 strategy of using small, 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. We describe our efforts to characterize the main beam shape and beam shape mismatch between co-located orthogonally-polarized detector pairs, and discuss the implications of measured differential beam parameters on temperature to polarization leakage in CMB analysis.

KW - Cosmic microwave background

KW - Ination

KW - Polarization

KW - The keck array

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U2 - 10.1117/12.926639

DO - 10.1117/12.926639

M3 - Conference contribution

AN - SCOPUS:84872095118

SN - 9780819491534

T3 - Proceedings of SPIE - The International Society for Optical Engineering

BT - Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI

T2 - Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI

Y2 - 3 July 2012 through 6 July 2012

ER -

Optical characterization of the keck array polarimeter at the south pole

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Keywords

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