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<p>The Segmented Mirror Telescope (SMT) housed at the Naval Postgraduate School is a unique,  state-of-the-art optical instrument built to explore new technologies needed for future spacebased  telescopes. A discrete Fourier transform wavefront reconstruction technique developed  at Lawrence Livermore National Laboratory is discussed in this thesis as applied to a hexagonal  aperture. A Fourier domain implementation of a spatial-frequency modal controller for a simple  spring-mass model of a deformable mirror surface is provided by this thesis. This technique  avoids more difficult time-domain solutions, is computationally efficient and scalable to much  larger multi-input, multi-output systems than the SMT.
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<br>Subjects: Space telescopes; Holography; Optics, Adaptive</div>
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Axtell, Travis W.</div>
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