Non-null interferometric surface figure testing beyond the detector pixel MTF cutoff spatial frequency limit

Martin Tangari Larrategui; Martin Tangari Larrategui; Jonathan D. Ellis; Thomas G. Brown

doi:10.1364/FIO.2022.JW5A.90

Frontiers in Optics + Laser Science 2022 (FIO, LS)
Technical Digest Series (Optica Publishing Group, 2022),
paper JW5A.90
•https://doi.org/10.1364/FIO.2022.JW5A.90

Non-null interferometric surface figure testing beyond the detector pixel MTF cutoff spatial frequency limit

Martin Tangari Larrategui, Jonathan D. Ellis, and Thomas G. Brown

Frontiers in Optics 2022

Rochester, New York United States
17–20 October 2022
ISBN: 978-1-957171-17-3

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Joint Poster Session IVA (In person) (JW5A)

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M. T. Larrategui, J. D. Ellis, and T. G. Brown, "Non-null interferometric surface figure testing beyond the detector pixel MTF cutoff spatial frequency limit," in Frontiers in Optics + Laser Science 2022 (FIO, LS), Technical Digest Series (Optica Publishing Group, 2022), paper JW5A.90.

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Abstract

We report a non-null interferometric surface figure measurement of a spherical mirror with slope departure angles mapping to interferogram spatial frequencies larger than the cutoff spatial frequency limit of a full-fill detector with 4.6 µm-pixels.

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