Tomographic wavefront sensing for adaptive optics

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ABSTRACTDekany, R."Tomographic Wavefront Sensing for Adaptive Optics"AST-0096928Using a new, multiple channel wavefront sensor in conjunction with theexisting Palomar Adaptive Optics System, the researchers will conduct experiments in atmospheric tomography to reconstruct the three-dimensional distribution ofrefractive index fluctuations about the 5m telescope at Palomar Mountain.This information will be used to answer fundamental questions on the timeevolution of these index fluctuations, including the stability of discreetturbulence layers in the atmosphere. This information will guide thedevelopment of future advanced adaptive optics systems that use multipledeformable mirrors to uniformly correct wide fields of view, extending theusable scientific field for adaptive optics and enabling new scientificprograms.***