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Electro-optical feedback system for controlling a reconfigurable lens

An electro-optical system employing a reconfigurable lens measures the intensity distribution of an image and corrects degraded imaging properties of an optical system by controlling the lens's phase modulation. A previous system was slow, because it used the simulated annealing algorithm to determine the phase modulation for the correction. In this study the Gerchberg-Saxton algorithm is applied to the electro-optical system to achieve faster correction.