Improved extension of depth-of-field performance by apodized wavefront coding

Takafumi Tsukasaki, Shinichi Komatsu

    研究成果: Article

    2 引用 (Scopus)

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    Wavefront coding (WFC) is a popular technique for extending the depth of field (DOF), where the DOF is extended by the phase modulation of the pupil function using a phase mask and digital processing using a deconvolution filter. We previously proposed an apodized WFC system with a Gaussian aperture that extends the DOF while suppressing artifacts in the reconstructed image. In this study, the influence of aberrations on the proposed WFC system was examined in detail by computer simulation. Then, the image quality was experimentally examined to confirm the effectiveness of the apodized WFC system. In addition, we proposed a new type of aperture, i.e., a generalized Gaussian aperture, to prevent the significant reduction in transmitted light intensity due to apodization, the effectiveness of which was confirmed by computer simulation.

    元の言語English
    記事番号08RD03
    ジャーナルJapanese Journal of Applied Physics
    55
    発行部数8
    DOI
    出版物ステータスPublished - 2016 8 1

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    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)

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