Successive steps of the abacus-based interpolation process. (a) For each of the K dithered modes ψi, the measurement is mapped to a wavefront PSD class identified by . (b) is extrapolated from the dithered ψi to all DM basis modes ϕi. (c) From , an optimal OGC is interpolated for all basis modes. Figures show actual simulation data processed from the dithering sequence shown in Fig. 6, with α∥ (ψi) = 0.48, 0.54 and 0.58 and , 15.7 and 16.0 cm. The turbulence r0 is 14.5 cm.
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