Probing frequency-dependent half-wave plate systematics for CMB experiments with full-sky beam convolution simulations

no code implementations • 18 Dec 2020 • Adriaan J. Duivenvoorden, Alexandre E. Adler, Matteo Billi, Nadia Dachlythra, Jon E. Gudmundsson

Our analysis shows how certain achromatic HWP configurations produce significant systematic polarization angle offsets that vary for sky components with different frequency dependence.

Cosmology and Nongalactic Astrophysics Instrumentation and Methods for Astrophysics

Modeling sidelobe response for ground-based mm-wavelength telescopes with the geometrical theory of diffraction

no code implementations • 14 Dec 2020 • Alexandre E. Adler, Jon E. Gudmundsson

Accurate optical modeling is important for the design and characterisation of current and next-generation experiments studying the Cosmic Microwave Background (CMB).

Instrumentation and Methods for Astrophysics