The Keck Array: A Multi Camera CMB Polarimeter at the South Pole

The Keck Array: A Multi Camera CMB Polarimeter at the South Pole

The Keck array is a new multi-camera Cosmic Microwave Background (CMB) polarimeter. Each camera contains 256 polarization pairs of antenna-coupled transition edge sensor (TES) bolometers. We recently deployed three of five cameras at the geographic South Pole, and plan to deploy the final two camera...

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Veröffentlicht in:Journal of low temperature physics 2012-06, Vol.167 (5-6), p.827-833
Hauptverfasser: Staniszewski, Z., Aikin, R. W., Amiri, M., Benton, S. J., Bischoff, C., Bock, J. J., Bonetti, J. A., Brevik, J. A., Burger, B., Dowell, C. D., Duband, L., Filippini, J. P., Golwala, S. R., Halpern, M., Hasselfield, M., Hilton, G., Hristov, V. V., Irwin, K., Kovac, J. M., Kuo, C. L., Lueker, M., Montroy, T., Nguyen, H. T., Ogburn, R. W., O’Brient, R., Orlando, A., Pryke, C., Reintsema, C., Ruhl, J. E., Schwarz, R., Sheehy, C., Stokes, S., Thompson, K. L., Teply, G., Tolan, J. E., Turner, A. D., Vieregg, A. G., Wilson, P., Wiebe, D., Wong, C. L.
Format: Artikel
Sprache:eng
Schlagworte:
Characterization and Evaluation of Materials
Condensed Matter Physics
Magnetic Materials
Magnetism
Physics
Physics and Astronomy
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Beschreibung
Zusammenfassung:The Keck array is a new multi-camera Cosmic Microwave Background (CMB) polarimeter. Each camera contains 256 polarization pairs of antenna-coupled transition edge sensor (TES) bolometers. We recently deployed three of five cameras at the geographic South Pole, and plan to deploy the final two cameras in early 2012. This new telescope is an ideal instrument to search for the primordial B-mode polarization signal imprinted in the CMB by inflationary gravitational waves. We will discuss the design of the detectors and receivers, the status of current observations, and report on progress toward upgrading the instrument with the full compliment of polarized receivers.
ISSN:0022-2291
1573-7357
DOI:10.1007/s10909-012-0510-1