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Predictive optimal estimators for adaptive-optics systems

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Abstract

A new class of optimal wave-front estimators for adaptive-optics systems that minimize time-delay errors that are due to atmospheric winds is developed. These matrices utilize the past time history of the servo system by means of temporal Kolmogorov cross-covariance matrices. Except in the simplest case, a nonlinear matrix equation must be iteratively solved. Strehl ratio performance for selected estimators is given.

© 1996 Optical Society of America

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