Retrieving Inter-Segment Piston Error Using Broadband Light

Scott W. Paine; James R. Fienup

doi:10.1364/FIO.2016.FTu2F.3

Frontiers in Optics 2016
OSA Technical Digest (online) (Optica Publishing Group, 2016),
paper FTu2F.3
•https://doi.org/10.1364/FIO.2016.FTu2F.3

Retrieving Inter-Segment Piston Error Using Broadband Light

Scott W. Paine and James R. Fienup

Frontiers in Optics 2016

Rochester, New York United States
17–21 October 2016
ISBN: 978-1-943580-19-4

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Resolution and Measurement Limits (FTu2F)

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S. W. Paine and J. R. Fienup, "Retrieving Inter-Segment Piston Error Using Broadband Light," in Frontiers in Optics 2016, OSA Technical Digest (online) (Optica Publishing Group, 2016), paper FTu2F.3.

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Abstract

Traditional phase retrieval methods fail to retrieve piston errors greater than 0.5 waves in segmented systems because of 2π ambiguities. We present and characterize an algorithm that uses broadband light to determine such piston errors.

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