Testbed experiments demonstrate that closing a ZWFS-based second-stage AO loop improves contrast by up to one order of magnitude in broadband light across varied seeing, wind, and flux conditions.
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Cascade adaptive optics with a second stage based on a Zernike wavefront sensor for exoplanet observations II. Validation in broadband light on the ESO/GHOST testbed
Testbed experiments demonstrate that closing a ZWFS-based second-stage AO loop improves contrast by up to one order of magnitude in broadband light across varied seeing, wind, and flux conditions.