Optimizing trefoil phase plates design for color wavefront coding
Author
Sasián, JoséOlvera-Angeles, Juan-Miguel
Padilla-Vivanco, Alfonso
Schwiegerling, J.
Arines, Justo
Acosta, Eva
Ortega, Karina
Affiliation
Univ Arizona, Coll Opt SciIssue Date
2018
Metadata
Show full item recordPublisher
SPIE-INT SOC OPTICAL ENGINEERINGCitation
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/10.1117/12.2321961Rights
© 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
97815106206129781510620629
Version
Final published versionSponsors
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]ae974a485f413a2113503eed53cd6c53
10.1117/12.2321961