Schematic of the MITHIC bench configuration used for this investigation. The spatial light modulator (SLM) is placed in a face-on reflective configuration via a double pass through a beam-splitter. Images taken via the CoolSnap camera GUIwere manually transferred from the imaging PC to the SLM control PC via a separate LAM server, before performing F&F wavefront reconstruction as described in Sect. 2.2 and applying the new wavefront commands on the SLM via a custom GUI. Each closed-loop iteration of F&F typically took between 30 s and a minute to complete, of which the F&F code runtime was a negligible fraction. The HASO SH-WFS was used only for the pre-compensation of MITHIC bench alignment errors and was not operated during F&F closed-loop tests. The turbulence phase screen was aligned either on the static LWE pattern or a clear aperture, and was not used to simulate dynamical turbulence.