Overcoming Large Piston Capture Range Problems in Segmented Systems Using Broadband Light

Scott W. Paine; James R. Fienup

doi:10.1364/AOMS.2015.AOTh1D.2

Imaging and Applied Optics 2015
OSA Technical Digest (online) (Optica Publishing Group, 2015),
paper AOTh1D.2
•https://doi.org/10.1364/AOMS.2015.AOTh1D.2

Overcoming Large Piston Capture Range Problems in Segmented Systems Using Broadband Light

Scott W. Paine and James R. Fienup

Adaptive Optics: Analysis, Methods & Systems 2015

Arlington, Virginia United States
7–11 June 2015
ISBN: 978-1-943580-00-2

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AO: Wavefront Control & Algorithms III (AOTh1D)

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S. W. Paine and J. R. Fienup, "Overcoming Large Piston Capture Range Problems in Segmented Systems Using Broadband Light," in Imaging and Applied Optics 2015, OSA Technical Digest (online) (Optica Publishing Group, 2015), paper AOTh1D.2.

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Abstract

Traditional phase retrieval methods fail to retrieve piston errors greater than one wave in segmented systems. We present a new algorithm that uses broadband light to fit large piston error with a high convergence rate.

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