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11 July 2018 A direct reconstruction technique to retrieve phase in a non-linear curvature wavefront sensor
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Abstract
A new technique for phase retrieval in non-linear Curvature Wavefront Sensors is presented. Unlike the iterative Gerchberg-Saxton technique, this technique retrieves pupil phase in a single step. It starts by calculating the optical transfer function from several images each with its own known aberration. It then solves for the pupil phase by inverting the process of autocorrelation, which, in effect, produced the optical transfer functions.
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Michael Oliker and Mala Mateen "A direct reconstruction technique to retrieve phase in a non-linear curvature wavefront sensor", Proc. SPIE 10703, Adaptive Optics Systems VI, 107035S (11 July 2018); https://doi.org/10.1117/12.2314286
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