2 papers
astro-ph.IM2020
A cryogenic continuously rotating half-wave plate for the POLARBEAR-2b cosmic microwave background receiver
C. A. Hill, A. Kusaka, P. Ashton +11
We present the design and laboratory evaluation of a cryogenic continuously rotating half-wave plate (CHWP) for the POLARBEAR-2b (PB-2b) cosmic microwave background (CMB) receiver,…
astro-ph.IM2018
A large-diameter cryogenic rotation stage for half-wave plate polarization modulation on the POLARBEAR-2 experiment
Charles A. Hill, Akito Kusaka, Paul Barton +15
We describe the design of a cryogenic rotation stage (CRS) for use with the cryogenic half-wave plate (CHWP) polarization modulator on the POLARBEAR-2b and POLARBEAR-2c (PB2b/c) co…