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Fig. 6.

image

Typical example of a dithering sequence, as we use for all numerical simulations using the dithering method in this paper. “DM dithering”: ψi amplitude injected Ai × ||ψi|| × cos (2πfit); “Mode ampl. on PWFS”: true instantaneous component in ψi of the wavefront; “PWFS reconstruction”: ψi component measured from the slopes, i.e., ||ψi||−2 × ψi ⊗ (RecS (t)). For this case, the turbulence r0 is 14.5 cm, with conditions of Table 1 but no noise. Wavefront maps of the ψi are shown in Fig. 7. Data for ψ1 and ψ3 are offset by +20 and −20 nm, respectively.

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