11 papers
Optical characterization of the Keck Array and BICEP3 CMB Polarimeters from 2016 to 2019
Keck Collaboration, T. St Germaine, P. A. R. Ade +71
The BICEP/Keck experiment (BK) is a series of small-aperture refracting telescopes observing degree-scale Cosmic Microwave Background (CMB) polarization from the South Pole in sear…
Measurements of B-mode Polarization of the Cosmic Microwave Background from 500 Square Degrees of SPTpol Data
J. T. Sayre, C. L. Reichardt, J. W. Henning +62
We report a B-mode power spectrum measurement from the cosmic microwave background (CMB) polarization anisotropy observations made using the SPTpol instrument on the South Pole Tel…
Demonstration of 220/280 GHz Multichroic Feedhorn-Coupled TES Polarimeter
Samantha Walker, Carlos E. Sierra, Jason E. Austermann +11
We describe the design and measurement of feedhorn-coupled, transition-edge sensor (TES) polarimeters with two passbands centered at 220 GHz and 280 GHz, intended for observations…
Micro-X Sounding Rocket: Transitioning from First Flight to a Dark Matter Configuration
J. S. Adams, A. J. Anderson, R. Baker +21
The Micro-X sounding rocket flew for the first time on July 22, 2018, becoming the first program to fly Transition-Edge Sensors and multiplexing SQUID readout electronics in space.…
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…
On-sky performance of the SPT-3G frequency-domain multiplexed readout
A. N. Bender, A. J. Anderson, J. S. Avva +86
Frequency-domain multiplexing (fMux) is an established technique for the readout of large arrays of transition edge sensor (TES) bolometers. Each TES in a multiplexing module has a…