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A cryogenic rotation stage with a large clear aperture for the half-wave plates in the Spider instrument
Sean Bryan, Peter Ade, Mandana Amiri +47
We describe the cryogenic half-wave plate rotation mechanisms built for and used in Spider, a polarization-sensitive balloon-borne telescope array that observed the Cosmic Microwav…
The Thermal Design, Characterization, and Performance of the SPIDER Long-Duration Balloon Cryostat
J. E. Gudmundsson, P. A. R. Ade, M. Amiri +40
We describe the SPIDER flight cryostat, which is designed to cool six millimeter-wavelength telescopes during an Antarctic long-duration balloon flight. The cryostat, one of the la…
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…