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BICEP2 / Keck Array XI: Beam Characterization and Temperature-to-Polarization Leakage in the BK15 Dataset
Keck Array, BICEP2 Collaborations, : +76
Precision measurements of cosmic microwave background (CMB) polarization require extreme control of instrumental systematics. In a companion paper we have presented cosmological co…
Design and performance of wide-band corrugated walls for the BICEP Array detector modules at 30/40 GHz
A. Soliman, P. A. R. Ade, Z. Ahmed +75
BICEP Array is a degree-scale Cosmic Microwave Background (CMB) experiment that will search for primordial B-mode polarization while constraining Galactic foregrounds. BICEP Array…
Ultra-Thin Large-Aperture Vacuum Windows for Millimeter Wavelengths Receivers
Denis Barkats, Marion I. Dierickx, John M. Kovac +75
Targeting faint polarization patterns arising from Primordial Gravitational Waves in the Cosmic Microwave Background requires excellent observational sensitivity. Optical elements…
BICEP Array cryostat and mount design
M. Crumrine, P. A. R. Ade, Z. Ahmed +74
Bicep Array is a cosmic microwave background (CMB) polarization experiment that will begin observing at the South Pole in early 2019. This experiment replaces the five Bicep2 style…
BICEP Array: a multi-frequency degree-scale CMB polarimeter
Howard Hui, P. A. R. Ade, Z. Ahmed +75
BICEP Array is the newest multi-frequency instrument in the BICEP/Keck Array program. It is comprised of four 550 mm aperture refractive telescopes observing the polarization of th…
2017 upgrade and performance of BICEP3: a 95GHz refracting telescope for degree-scale CMB polarization
Jae Hwan Kang, P. A. R. Ade, Z. Ahmed +74
BICEP3 is a 520mm aperture on-axis refracting telescope observing the polarization of the cosmic microwave background (CMB) at 95GHz in search of the B-mode signal originating from…
BICEP2 / Keck Array VII: Matrix based E/B Separation applied to BICEP2 and the Keck Array
Keck Array, BICEP2 Collaborations, : +63
A linear polarization field on the sphere can be uniquely decomposed into an E-mode and a B-mode component. These two components are analytically defined in terms of spin-2 spheric…
Antenna-coupled TES bolometers used in BICEP2, Keck array, and SPIDER
P. A. R. Ade, R. W. Aikin, M. Amiri +64
We have developed antenna-coupled transition-edge sensor (TES) bolometers for a wide range of cosmic microwave background (CMB) polarimetry experiments, including BICEP2, Keck Arra…
BICEP2 III: Instrumental Systematics
BICEP2 Collaboration, P. A. R. Ade, R. W. Aikin +42
In a companion paper we have reported a detection of degree scale -mode polarization at 150 GHz by the BICEP2 experiment. Here we provide a detailed study of potential in…
BICEP2/Keck Array IV: Optical Characterization and Performance of the BICEP2 and Keck Array Experiments
The BICEP2, Keck Array Collaborations, : +51
BICEP2 and the Keck Array are polarization-sensitive microwave telescopes that observe the cosmic microwave background (CMB) from the South Pole at degree angular scales in search…
Self-Calibration of BICEP1 Three-Year Data and Constraints on Astrophysical Polarization Rotation
J. P. Kaufman, N. J. Miller, M. Shimon +33
Cosmic Microwave Background (CMB) polarimeters aspire to measure the faint -mode signature predicted to arise from inflationary gravitational waves. They also have the potential…
Antenna-coupled TES bolometers for the Keck Array, Spider, and Polar-1
R. O'Brient, P. A. R. Ade, Z. Ahmed +50
Between the BICEP2 and Keck Array experiments, we have deployed over 1500 dual polarized antenna coupled bolometers to map the Cosmic Microwave Background's polarization. We have b…
Optimization and sensitivity of the Keck Array
S. Kernasovskiy, P. A. R. Ade, R. W. Aikin +41
The Keck Array (SPUD) began observing the cosmic microwave background's polarization in the winter of 2011 at the South Pole. The Keck Array follows the success of the predecessor…
Optical Characterization of the Keck Array Polarimeter at the South Pole
A. G. Vieregg, P. A. R. Ade, R. Aikin +37
The Keck Array (SPUD) is a set of microwave polarimeters that observes from the South Pole at degree angular scales in search of a signature of Inflation imprinted as B-mode polari…
BICEP2 and Keck Array operational overview and status of observations
R. W. Ogburn, P. A. R. Ade, R. W. Aikin +50
The BICEP2 and Keck Array experiments are designed to measure the polarization of the cosmic microwave background (CMB) on angular scales of 2-4 degrees (l=50-100). This is the reg…
The Keck Array: a pulse tube cooled CMB polarimeter
C. D. Sheehy, P. A. R. Ade, R. W. Aikin +41
The Keck Array is a cosmic microwave background (CMB) polarimeter that will begin observing from the South Pole in late 2010. The initial deployment will consist of three telescope…
Antenna-coupled TES Bolometer Arrays for BICEP2/Keck and SPIDER
A. Orlando, R. W Aikin, M. Amiri +28
BICEP2/Keck and SPIDER are cosmic microwave background (CMB) polarimeters targeting the B-mode polarization induced by primordial gravitational waves from inflation. They will be u…