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Figure 4
Controlling the mirror to desired surface shapes. (a) Measurements of the mirror surface taken over a sequence of three prescribed shapes. (b) Voltages applied to actuators over ten solved time steps for the three shape transitions. (c) Total shape error in nm RMS over ten time steps. (d) Aggregate performance of the control algorithm for the full test set of 50 prescribed random shapes.

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ISSN: 1600-5775
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