Adaptive Periodic-Correlation Algorithm for Extended Scene Shack-Hartmann Wavefront Sensing

Erkin Sidick

doi:10.1364/COSI.2011.CPDP1

Imaging and Applied Optics
OSA Technical Digest (CD) (Optica Publishing Group, 2011),
paper CPDP1
•https://doi.org/10.1364/COSI.2011.CPDP1

Adaptive Periodic-Correlation Algorithm for Extended Scene Shack-Hartmann Wavefront Sensing

Erkin Sidick

Computational Optical Sensing and Imaging 2011

Toronto Canada
10–14 July 2011
ISBN: 978-1-55752-914-5

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E. Sidick, "Adaptive Periodic-Correlation Algorithm for Extended Scene Shack-Hartmann Wavefront Sensing," in Imaging and Applied Optics, OSA Technical Digest (CD) (Optica Publishing Group, 2011), paper CPDP1.

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Abstract

We present an adaptive periodic-correlation algorithm for large dynamic range extended-scene Shack-Hartmann wavefront sensing. We show that it accurately measures very fine image shifts over many pixels under a variety of practical imaging conditions.

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