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Wavefront correction using micromirror arrays: Comparing the efficacy of tip-tilt-piston and piston-only micromirror arrays

Sweatt, W.C.; Spahn, Olga B.; Cowan, William D.; Wick, David V.

Micromirrors arrays can be used to correct residual wavefront aberrations in certain optical systems. The aberration correction capability of arrays of piston-only and piston-tip-tilt micromirrors are compared. Sandia's micromirror fabrication program is discussed and two example systems are presented. © 2006 SPIE-OSA.