Large aperture segmented optics for space-to-ground communications.
A large aperture, moderate quality segmented optical array for use in noncoherent space-to-ground laser communications is determined as a function of resolution, diameter, focal length, and number of segments in the array. Secondary optics and construction tolerances are also discussed. Performance predictions show a typical receiver to be capable of megahertz communications at Mars distances during daylight operation.
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Sylvania Electronic Systems, Applied Research Laboratory, 40 Sylvan Road, Waltham, Massachusetts 02154, USA.