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Development of adaptive optical segments with integrated wavefront sensing

A novel adaptive optical system is being developed at NASA's Marshall Space Flight Center (MSFC). The system is based on the idea of integrating the wave front sensor into the mirror of a segmented system. This approach provides a self contained, adaptive optic which can accurately measure and correct for the localized tilt of the incoming wave front. The mirror components contain the sensing elements, the actuators and potentially some of the reconstruction processing. These segments have a hexagonal shape and will be used to form a segmented, adaptive optic, mirror. The potential mission for this type of mirror is in the form of the primary of a 12 meter class beam expander to direct laser energy through the atmosphere. This energy can then be utilized to power orbital transfer vehicles, charge depleted batteries on satellites during solar eclipse or other future space missions.