Adaptive optics systems; Closed-loop control; Deformable mirrors; Image intensity distribution; Number of actuators; Turbulence strength; Turbulence-degraded; Wavefront aberrations

A model-based wavefront sensorless (WFSless) adaptive optics (AO) system with a 61-element deformable mirror is simulated to correct the imaging of a turbulence-degraded extended object. A fast closed-loop control algorithm, which is based on the …