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2022 Upgrade and Improved Low Frequency Camera Sensitivity for CMB Observation at the South Pole
A. Soliman, P. A. R. Ade, Z. Ahmed +83
Constraining the Galactic foregrounds with multi-frequency Cosmic Microwave Background (CMB) observations is an essential step towards ultimately reaching the sensitivity to measur…
Plastic Laminate Antireflective Coatings for Millimeter-wave Optics in BICEP Array
Marion Dierickx, P. A. R. Ade, Zeeshan Ahmed +82
The BICEP/Keck series of experiments target the Cosmic Microwave Background at degree-scale resolution from the South Pole. Over the next few years, the "Stage-3" BICEP Array (BA)…
Performance of Al-Mn Transition-Edge Sensor Bolometers in SPT-3G
A. J. Anderson, P. A. R. Ade, Z. Ahmed +86
SPT-3G is a polarization-sensitive receiver, installed on the South Pole Telescope, that measures the anisotropy of the cosmic microwave background (CMB) from degree to arcminute s…
Optical Characterization of the BICEP3 CMB Polarimeter at the South Pole
K. S. Karkare, P. A. R. Ade, Z. Ahmed +56
BICEP3 is a small-aperture refracting cosmic microwave background (CMB) telescope designed to make sensitive polarization maps in pursuit of a potential B-mode signal from inflatio…
Initial Performance of BICEP3: A Degree Angular Scale 95 GHz Band Polarimeter
W. L. K. Wu, P. A. R. Ade, Z. Ahmed +49
BICEP3 is a aperture telescope with cold, on-axis, refractive optics designed to observe at the band from the South Pole. It is the newest member of the BICEP/Kec…
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…
A Study of Al-Mn Transition Edge Sensor Engineering for Stability
E. M. George, J. E. Austermann, J. A. Beall +32
The stability of Al-Mn transition edge sensor (TES) bolometers is studied as we vary the engineered TES transition, heat capacity, and/or coupling between the heat capacity and TES…