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astro-ph.IM2026
The Simons Observatory: Overview of the Cryogenic Half-wave Plate Polarization Modulators
Junna Sugiyama, Kyohei Yamada, Bryce Bixler +5
The Simons Observatory (SO) is a ground-based Cosmic Microwave Background (CMB) experiment that is located in the Atacama plateau. The Small Aperture Telescopes (SATs) of SO are op…
astro-ph.IM2026
The Simons Observatory: Rotation Performance of Cryogenic Half-Wave Plate Polarization Modulators
Kyohei Yamada, Bryce Bixler, Junna Sugiyama +10
We present the on-site rotation performance of the first three cryogenic continuously rotating half-wave plate (HWP) polarization modulators for the Simons Observatory small apertu…