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Fig.5

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Sample wavefront and the subpupil pattern of 85 hexagonal microlenses. The circle represents the 98 cm SST pupil and the gaps between adjacent microlenses have been exaggerated for clarity. The geometry is actually such that there is no space between the microlenses. a) The 1003-mode simulated wavefront phase. b) Piecewise plane approximation. c) Local tilts only.

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