Conference Proceedings
The POLARBEAR experiment
ZD Kermish, P Ade, A Anthony, K Arnold, D Barron, D Boettger, J Borrill, S Chapman, Y Chinone, MA Dobbs, J Errard, G Fabbian, D Flanigan, G Fuller, A Ghribi, W Grainger, N Halverson, M Hasegawa, K Hattori, M Hazumi Show all
Proceedings of SPIE the International Society for Optical Engineering | Published : 2012
DOI: 10.1117/12.926354
Abstract
We present the design and characterization of the polarbear experiment. polarbear will measure the polarization of the cosmic microwave background (CMB) on angular scales ranging from the experiment's 3.5′ beam size to several degrees. The experiment utilizes a unique focal plane of 1,274 antenna-coupled, polarization sensitive TES bolometers cooled to 250 milliKelvin. Employing this focal plane along with stringent control over systematic errors, polarbear has the sensitivity to detect the expected small scale B-mode signal due to gravitational lensing and search for the large scale B-mode signal from inflationary gravitational waves. polarbear was assembled for an engineering run in the In..
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Awarded by Japan Society for the Promotion of Science
Funding Acknowledgements
The POLARBEAR project is funded by the National Science Foundation under grant AST-0618398. Antennacoupled bolometer development at Berkeley is funded by NASA under grant NNG06GJ08G. The McGill authors acknowledge funding from the Natural Sciences and Engineering Research Council and Canadian Institute for Advanced Research. MD acknowledges support from an Alfred P. Sloan Research Fellowship and Canada Research Chair program. The KEK authors were supported by MEXT KAKENHI Grant Number 21111002. All silicon wafer- based technology is fabricated at the UC Berkeley Microlab.