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History and physical principles of Lode Star technology

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Abstract

Lode Star research began in 1979 with a concept called the ray-method suitable for MWIR imaging technology. After field experiments at the Verona test range, the concept evolved into the A-method which some years later was called laser guide star in the open literature. Considerable work was done assessing optimal processing techniques for combining multiple guide stars leading to two effective approaches called stitching and merging. The technology was augmented by the S-method and sodium resonance scatter which generated multialtitude, multisource estimators for high-order wavefront correction. Detailed wave propagation simulations and photometric analysis supported the viability of these techniques which led to successful field experiments.

© 1991 Optical Society of America

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