Transition edge sensor focal plane arrays for the BICEP2, keck, and spider CMB polarimeters

J. A. Bonetti, A. D. Turner, M. Kenyon, H. G. LeDuc, J. A. Brevik, A. Orlando, A. Trangsrud, R. Sudiwala, H. T. Nguyen, P. K. Day, J. J. Bock, S. R. Golwala, J. M. Kovac, W. C. Jones, C. L. Kuo

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We describe the transition-edge-sensor (TES) focal plane arrays used for three cosmic microwave background (CMB) polarimetry projects. The first is BICEP2. The focal plane array for BICEP2 has been delivered and the instrument is now taking data at the South Pole. Second is the Keck Array. The focal planes for Keck will be nearly identical to those of BICEP2, but will cover multiples frequencies (96, 150 and 225 GHz). The scheduled deployment of Keck is late 2010. Finally, there is Spider, a high-altitude balloon observatory, which will also cover 96, 150, and 225 GHz and will be deployed in 2012. The goal of all three experiment is detecting B modes in the polarization of the CMB.

Original languageEnglish (US)
Article number5677560
Pages (from-to)219-222
Number of pages4
JournalIEEE Transactions on Applied Superconductivity
Issue number3 PART 1
StatePublished - Jun 2011

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


  • CMB
  • Cosmic microwave background
  • Polarimetry
  • TES bolometers


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