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Fig. 7.

image

Closed-loop performance for each Np level showing the average residual rms WFE over all 100 randomly generated aberrations vs loop iteration. The error bars give the standard deviation of the average residual rms WFE at each loop iteration across the set of 100 random aberrations. As expected, as Np increases, the average residual rms WFE, as well as the stand deviation from the mean, decreases. For values of Np between 108 and 106, the rms WFE converges to ≤1 nm.

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