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Characterization and Fabrication of the TES Arrays for the Spider, Keck and BICEP2 CMB Polarimeters

Bonetti, J. A. and Turner, A. D. and Bock, J. J. and Brevik, J. A. and Day, P. K. and Filippini, J. and Golwala, S. R. and Holmes, W. and Jones, W. C. and Kenyon, M. and Kovac, J. M. and Kuo, C. L. and LeDuc, H. G. and Lueker, M. and Nguyen, H. T. and O'Brient, R. and Orlando, A. and Runyan, M. and Staniszewski, Z. and Sudiwala, R. and Transgrud, A. (2012) Characterization and Fabrication of the TES Arrays for the Spider, Keck and BICEP2 CMB Polarimeters. Journal of Low Temperature Physics, 167 (3-4). pp. 146-151. ISSN 0022-2291. doi:10.1007/s10909-012-0529-3.

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Spider, the Keck Array, and BICEP2 are projects to study the polarization of the cosmic microwave background (CMB). All three use large format arrays of antenna-coupled, membrane-isolated, transition edge sensors (TES’s). Although similar, each project requires its own set of device parameters, such as thermal conductance, time constants, and normal state resistances. We have perfected a fabrication process that achieves two primary objectives: (1) high device yields of 95% or greater, and (2) very low spreads in devices parameters. Currently our arrays are taking science data at the South Pole in both the BICEP2 and Keck array telescopes. The focal planes for Spider, a high altitude balloon mission, are on schedule for a 2012 deployment. An overview of fabrication and development is given as well as a snapshot of scientific data.

Item Type:Article
Related URLs:
URLURL TypeDescription ReadCube access
Bock, J. J.0000-0002-5710-5212
Filippini, J.0000-0001-8217-6832
Golwala, S. R.0000-0002-1098-7174
Additional Information:© 2012 Springer Science+Business Media. Received: 17 July 2011. Accepted: 10 January 2012. Published online: 3 February 2012. The research described in this publication was in part carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with National Aeronautics and Space Administration.
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Subject Keywords:CMB polarization; TES
Issue or Number:3-4
Record Number:CaltechAUTHORS:20120501-100739165
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:31248
Deposited By: Ruth Sustaita
Deposited On:01 May 2012 17:48
Last Modified:09 Nov 2021 19:48

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