AO3k + SCExAO: on-sky wavefront quality and demonstration of novel WFS techniques with the double XAO system

Julien Lozi, Kyohoon Ahn, Vincent Deo +5

The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) system, fed by its upstream 3000-actuator "woofer" (AO3k), serves both as a platform for high contrast imaging (HCI) techn…