The BICEP2 CMB polarization experiment
- Ogburn IV, R. W.
- Ade, Peter A. R.
- Aikin, R. W.
- Amiri, M.
- Benton, S. J.
- 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.
- Kaufman, J. P.
- Keating, B. G.
- Kovac, J. M.
- Kuo, C. L.
- Lange, A. E.
- Leitch, E. M.
- Netterfield, C. B.
- Nguyen, H. T.
- Orlando, A.
- Pryke, C. L.
- Reintsema, C.
- Richter, S.
- Ruhl, J. E.
- Runyan, M. C.
- Sheehy, C. D.
- Staniszewski, Z. K.
- Stokes, S. A.
- Sudiwala, Rashmikant V.
- Teply, G. P.
- Tolan, J. E.
- Turner, A. D.
- Wilson, P.
- Wong, C. L.
DOIAbstract
The Bicep2 telescope is designed to measure the polarization of the cosmic microwave background on angular scales near 2-4 degrees, near the expected peak of the B-mode polarization signal induced by primordial gravitational waves from inflation. Bicep2 follows the success of Bicep, which has set the most sensitive current limits on B-modes on 2-4 degree scales. The experiment adopts a new detector design in which beam-defining slot antennas are coupled to TES detectors photolithographically patterned in the same silicon wafer, with multiplexing SQUID readout. Bicep2 takes advantage of this design's higher focal-plane packing density, ease of fabrication, and multiplexing readout to field more detectors than Bicep1, improving mapping speed ...
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