Model validation and tolerancing of scalar vortex masks in the High Contrast Imaging Testbed (HCIT) facility

Niyati Desai, Garreth Ruane, Daniel Shanks +3

The Habitable Worlds Observatory (HWO) mission will require coronagraphs capable of suppressing starlight at the $\sim 10^{-10}$ contrast level to directly image exo-Earths. High c…