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    Polarization dOTF: on-sky focal plane wavefront sensing

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    Author
    Brooks, Keira J.
    Catala, Laure
    Kenworthy, Matthew A. cc
    Crawford, Steven M.
    Codona, Johanan L.
    Affiliation
    Univ Arizona, Steward Observ
    Issue Date
    2016-07-22
    Keywords
    wavefront sensing
    polarization
    
    Metadata
    Show full item record
    Publisher
    SPIE-INT SOC OPTICAL ENGINEERING
    Citation
    Keira J. Brooks ; Laure Catala ; Matthew A. Kenworthy ; Steven M. Crawford and Johanan L. Codona " Polarization dOTF: on-sky focal plane wavefront sensing ", Proc. SPIE 9912, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation II, 991203 (July 22, 2016); doi:10.1117/12.2232722; http://dx.doi.org/10.1117/12.2232722
    Journal
    ADVANCES IN OPTICAL AND MECHANICAL TECHNOLOGIES FOR TELESCOPES AND INSTRUMENTATION II
    Rights
    © 2016 SPIE.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    The differential Optical Transfer Function (dOTF) is a focal plane wavefront sensing method that uses a diversity in the pupil plane to generate two different focal plane images. The difference of their Fourier transforms recovers the complex amplitude of the pupil down to the spatial scale of the diversity. We produce two simultaneous PSF images with diversity using a polarizing filter at the edge of the telescope pupil, and a polarization camera to simultaneously record the two images. Here we present the first on-sky demonstration of polarization dOTF at the 1.0m South African Astronomical Observatory telescope in Sutherland, and our attempt to validate it with simultaneous Shack-Hartmann wavefront sensor images.
    Note
    SPIE grants to authors of papers published in an SPIE Journal or Proceedings the right to post an author-prepared version or an official version (preferred version) of the published paper on an internal or external server controlled exclusively by the author/employer, provided that (a) such posting is noncommercial in nature and the paper is made available to users without charge; (b) an appropriate copyright notice and full citation appear with the paper, and (c) a link to SPIE's official online version of the abstract is provided using the DOI (Document Object Identifier) link.
    ISSN
    0277-786X
    DOI
    10.1117/12.2232722
    Version
    Final published version
    Additional Links
    http://proceedings.spiedigitallibrary.org/proceeding.aspx?doi=10.1117/12.2232722
    ae974a485f413a2113503eed53cd6c53
    10.1117/12.2232722
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