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    Optimizing trefoil phase plates design for color wavefront coding

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    Author
    Sasián, José
    Olvera-Angeles, Juan-Miguel
    Padilla-Vivanco, Alfonso
    Schwiegerling, J.
    Arines, Justo
    Acosta, Eva
    Ortega, Karina
    Affiliation
    Univ Arizona, Coll Opt Sci
    Issue Date
    2018
    Keywords
    Wavefront coding
    spherical aberration
    color imaging
    optimization
    genetic algorithms
    
    Metadata
    Show full item record
    Publisher
    SPIE-INT SOC OPTICAL ENGINEERING
    Citation
    Miguel Olvera-Angeles, Alfonso Padilla-Vivanco, Karina Ortega, José Sasian, Jim Schwiegerling, Justo Arines, and Eva Acosta "Optimizing trefoil phase plates design for color wavefront coding", Proc. SPIE 10745, Current Developments in Lens Design and Optical Engineering XIX, 1074515 (17 September 2018); doi: 10.1117/12.2321961; https://doi.org/10.1117/12.2321961
    Journal
    CURRENT DEVELOPMENTS IN LENS DESIGN AND OPTICAL ENGINEERING XIX
    Rights
    © 2018 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
    Wavefront coding refers to the use of a phase modulating element in conjunction with deconvolution to extend the depth of focus of an imaging system. The coding element is an asymmetrical phase plate shape, for most applications in the form of a trefoil or a cubic polynomial. Phase plates with trefoil shape generate not only the desired amount of trefoil aberration but also spherical aberration. It has been recently shown that a wavefront coding based optical system shows high tolerance to spherical aberration for monochromatic images; however, the depth of focus is considerably shortened for color images. In this work, we will show how to modify the shape of a phase plate in order to optimize its performance for color imaging. The design parameters of the phase plate are obtained by minimizing a merit function by means of genetic algorithms developed for this purpose. The evaluation of the optical characteristics of the phase plates for a feedback with the optimization algorithm is obtained by Zemax. Results will be illustrated by numerical simulations of color images.
    ISSN
    9781510620612
    9781510620629
    DOI
    10.1117/12.2321961
    Version
    Final published version
    Sponsors
    Spanish Ministry of Economia y Competitividad [FIS2016-77319-C2-1-R]; FEDER; Ministerio de Educaci on Cultura y Deporte [PRX17/00105]; Consejo Nacional de Ciencia y Tecnologia (CONACyT) [714741]
    Additional Links
    https://www.spiedigitallibrary.org/conference-proceedings-of-spie/10745/2321961/Optimizing-trefoil-phase-plates-design--for-color-wavefront-coding/10.1117/12.2321961.full
    ae974a485f413a2113503eed53cd6c53
    10.1117/12.2321961
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