期刊
出版社
SPIE-INT SOC OPTICAL ENGINEERING
DOI: 10.1117/12.2232986
关键词
Cosmic Microwave Background; BICEP; Keck Array; Polarization
资金
- Direct For Mathematical & Physical Scien
- Division Of Astronomical Sciences [1255358] Funding Source: National Science Foundation
- Office of Polar Programs (OPP)
- Directorate For Geosciences [1313158] Funding Source: National Science Foundation
BICEP3, the latest telescope in the BICEP/Keck program, started science observations in March 2016. It is a 550mm aperture refractive telescope observing the polarization of the cosmic microwave background at 95 GHz. We show the focal plane design and detector performance, including spectral response, optical efficiency and preliminary sensitivity of the upgraded BICEP3. We demonstrate 9.72 mu K-CMB root s noise performance of the BICEP3 receiver.
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