Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1

Roger O'Brient; P. A R Ade; Z. Ahmed; R. W. Aikin; M. Amiri; S. Benton; C. Bischoff; J. J. Bock; J. A. Bonetti; J. A. Brevik; B. Burger; G. Davis; P. Day; C. D. Dowell; L. Duband; J. P. Filippini; S. Fliescher; S. R. Golwala; J. Grayson; M. Halpern; M. Hasselfield; G. Hilton; V. V. Hristov; H. Hui; K. Irwin; S. Kernasovskiy; J. M. Kovac; C. L. Kuo; E. Leitch; M. Lueker; K. Megerian; L. Moncelsi; C. B. Netterfield; H. T. Nguyen; R. W. Ogburn IV; C. L. Pryke; C. Reintsema; J. E. Ruhl; M. C. Runyan; R. Schwarz; C. D. Sheehy; Z. Staniszewski; R. Sudiwala; G. Teply; J. E. Tolan; A. D. Turner; R. S. Tucker; A. Vieregg; D. V. Wiebe; P. Wilson; C. L. Wong; W. L K Wu; K. W. Yoonk

doi:10.1117/12.927214

Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1

Roger O'Brient, P. A R Ade, Z. Ahmed, R. W. Aikin, M. Amiri, S. Benton, C. Bischoff, J. J. Bock, J. A. Bonetti, J. A. Brevik, B. Burger, G. Davis, P. Day, C. D. Dowell, L. Duband, J. P. Filippini, S. Fliescher, S. R. Golwala, J. Grayson, M. HalpernM. Hasselfield, G. Hilton, V. V. Hristov, H. Hui, K. Irwin, S. Kernasovskiy, J. M. Kovac, C. L. Kuo, E. Leitch, M. Lueker, K. Megerian, L. Moncelsi, C. B. Netterfield, H. T. Nguyen, R. W. Ogburn IV, C. L. Pryke, C. Reintsema, J. E. Ruhl, M. C. Runyan, R. Schwarz, C. D. Sheehy, Z. Staniszewski, R. Sudiwala, G. Teply, J. E. Tolan, A. D. Turner, R. S. Tucker, A. Vieregg, D. V. Wiebe, P. Wilson, C. L. Wong, W. L K Wu, K. W. Yoonk

Physics and Astronomy (Twin Cities)

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

20 Scopus citations

Abstract

Between the BICEP2 and Keck Array experiments, we have deployed over 1500 dual polarized antenna coupled bolometers to map the Cosmic Microwave Background's polarization. We have been able to rapidly deploy these detectors because they are completely planar with an integrated phased-array antenna. Through our experience in these experiments, we have learned of several challenges with this technology- specifically the beam synthesis in the antenna- and in this paper we report on how we have modified our designs to mitigate these challenges. In particular, we discus differential steering errors between the polarization pairs' beam centroids due to microstrip cross talk and gradients of penetration depth in the niobium thin films of our millimeter wave circuits. We also discuss how we have suppressed side lobe response with a Gaussian taper of our antenna illumination pattern. These improvements will be used in Spider, Polar-1, and this season's retrofit of Keck Array.

Original language	English (US)
Title of host publication	Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI
DOIs	https://doi.org/10.1117/12.927214
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

B-modes
CMB polarization

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O'Brient, R., Ade, P. A. R., Ahmed, Z., Aikin, R. W., Amiri, M., Benton, S., Bischoff, C., Bock, J. J., Bonetti, J. A., Brevik, J. A., Burger, B., Davis, G., Day, P., Dowell, C. D., Duband, L., Filippini, J. P., Fliescher, S., Golwala, S. R., Grayson, J., ... Yoonk, K. W. (2012). Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1. In Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI Article 84521G (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8452). https://doi.org/10.1117/12.927214

Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1. / O'Brient, Roger; Ade, P. A R; Ahmed, Z. et al.
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI. 2012. 84521G (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8452).

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

O'Brient, R, Ade, PAR, Ahmed, Z, Aikin, RW, Amiri, M, Benton, S, Bischoff, C, Bock, JJ, Bonetti, JA, Brevik, JA, Burger, B, Davis, G, Day, P, Dowell, CD, Duband, L, Filippini, JP, Fliescher, S, Golwala, SR, Grayson, J, Halpern, M, Hasselfield, M, Hilton, G, Hristov, VV, Hui, H, Irwin, K, Kernasovskiy, S, Kovac, JM, Kuo, CL, Leitch, E, Lueker, M, Megerian, K, Moncelsi, L, Netterfield, CB, Nguyen, HT, Ogburn IV, RW, Pryke, CL, Reintsema, C, Ruhl, JE, Runyan, MC, Schwarz, R, Sheehy, CD, Staniszewski, Z, Sudiwala, R, Teply, G, Tolan, JE, Turner, AD, Tucker, RS, Vieregg, A, Wiebe, DV, Wilson, P, Wong, CL, Wu, WLK & Yoonk, KW 2012, Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1. in Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VI., 84521G, 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/10.1117/12.927214

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abstract = "Between the BICEP2 and Keck Array experiments, we have deployed over 1500 dual polarized antenna coupled bolometers to map the Cosmic Microwave Background's polarization. We have been able to rapidly deploy these detectors because they are completely planar with an integrated phased-array antenna. Through our experience in these experiments, we have learned of several challenges with this technology- specifically the beam synthesis in the antenna- and in this paper we report on how we have modified our designs to mitigate these challenges. In particular, we discus differential steering errors between the polarization pairs' beam centroids due to microstrip cross talk and gradients of penetration depth in the niobium thin films of our millimeter wave circuits. We also discuss how we have suppressed side lobe response with a Gaussian taper of our antenna illumination pattern. These improvements will be used in Spider, Polar-1, and this season's retrofit of Keck Array.",

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T1 - Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1

AU - O'Brient, Roger

AU - Ade, P. A R

AU - Ahmed, Z.

AU - Aikin, R. W.

AU - Amiri, M.

AU - Benton, S.

AU - Bischoff, C.

AU - Bock, J. J.

AU - Bonetti, J. A.

AU - Brevik, J. A.

AU - Burger, B.

AU - Davis, G.

AU - Day, P.

AU - Dowell, C. D.

AU - Duband, L.

AU - Filippini, J. P.

AU - Fliescher, S.

AU - Golwala, S. R.

AU - Grayson, J.

AU - Halpern, M.

AU - Hasselfield, M.

AU - Hilton, G.

AU - Hristov, V. V.

AU - Hui, H.

AU - Irwin, K.

AU - Kernasovskiy, S.

AU - Kovac, J. M.

AU - Kuo, C. L.

AU - Leitch, E.

AU - Lueker, M.

AU - Megerian, K.

AU - Moncelsi, L.

AU - Netterfield, C. B.

AU - Nguyen, H. T.

AU - Ogburn IV, R. W.

AU - Pryke, C. L.

AU - Reintsema, C.

AU - Ruhl, J. E.

AU - Runyan, M. C.

AU - Schwarz, R.

AU - Sheehy, C. D.

AU - Staniszewski, Z.

AU - Sudiwala, R.

AU - Teply, G.

AU - Tolan, J. E.

AU - Turner, A. D.

AU - Tucker, R. S.

AU - Vieregg, A.

AU - Wiebe, D. V.

AU - Wilson, P.

AU - Wong, C. L.

AU - Wu, W. L K

AU - Yoonk, K. W.

PY - 2012

Y1 - 2012

N2 - Between the BICEP2 and Keck Array experiments, we have deployed over 1500 dual polarized antenna coupled bolometers to map the Cosmic Microwave Background's polarization. We have been able to rapidly deploy these detectors because they are completely planar with an integrated phased-array antenna. Through our experience in these experiments, we have learned of several challenges with this technology- specifically the beam synthesis in the antenna- and in this paper we report on how we have modified our designs to mitigate these challenges. In particular, we discus differential steering errors between the polarization pairs' beam centroids due to microstrip cross talk and gradients of penetration depth in the niobium thin films of our millimeter wave circuits. We also discuss how we have suppressed side lobe response with a Gaussian taper of our antenna illumination pattern. These improvements will be used in Spider, Polar-1, and this season's retrofit of Keck Array.

AB - Between the BICEP2 and Keck Array experiments, we have deployed over 1500 dual polarized antenna coupled bolometers to map the Cosmic Microwave Background's polarization. We have been able to rapidly deploy these detectors because they are completely planar with an integrated phased-array antenna. Through our experience in these experiments, we have learned of several challenges with this technology- specifically the beam synthesis in the antenna- and in this paper we report on how we have modified our designs to mitigate these challenges. In particular, we discus differential steering errors between the polarization pairs' beam centroids due to microstrip cross talk and gradients of penetration depth in the niobium thin films of our millimeter wave circuits. We also discuss how we have suppressed side lobe response with a Gaussian taper of our antenna illumination pattern. These improvements will be used in Spider, Polar-1, and this season's retrofit of Keck Array.

KW - B-modes

KW - CMB polarization

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UR - http://www.scopus.com/inward/citedby.url?scp=84870272762&partnerID=8YFLogxK

U2 - 10.1117/12.927214

DO - 10.1117/12.927214

M3 - Conference contribution

AN - SCOPUS:84870272762

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 -

Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1

Abstract

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Keywords

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