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Simultaneous dual-wavelength off-axis flipping digital holography

机译:同时双波长离轴翻转数字全息术

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摘要

We develop a two-wavelength off-axis digital holography for quantitative phase imaging using flipping in a single interferogram shot. The interference is performed by flipping the relative position of a sample and reference beam, and the two-wavelength information is spatially multiplexed onto a monochromatic charge-coupled device camera simultaneously using polarization modulation. Due to the interferogram containing two-wavelength information with orthogonal interference fringes, the two-wavelength unwrapped information on the phase and thickness for the sample is extracted from a single shot. Our setup requires no pinholes, gratings, or dichroic mirrors with straightforward alignment. We demonstrate the operation of the setup with a step target and circular pillar. (C) 2017 Optical Society of America
机译:我们开发了一种双波长轴数字全能,用于使用翻转在单个干涉图中的定量相位成像。 通过翻转样品和参考光束的相对位置来执行干扰,并且双波长信息使用偏振调制同时地在单色电荷耦合器件相机上被空间复用。 由于包含具有正交干扰条纹的双波长信息的干扰图,从单个镜头提取对样本的相位和厚度的双波长未包装的信息。 我们的设置不需要具有直接对准的针孔,光栅或二向色镜。 我们用步骤目标和圆柱展示设置的操作。 (c)2017年光学学会

著录项

  • 来源
    《Optics Letters》 |2017年第21期|共4页
  • 作者单位

    Harbin Engn Univ Coll Informat &

    Commun Engn Harbin 150001 Heilongjiang Peoples R China;

    Harbin Engn Univ Coll Informat &

    Commun Engn Harbin 150001 Heilongjiang Peoples R China;

    Harbin Engn Univ Coll Informat &

    Commun Engn Harbin 150001 Heilongjiang Peoples R China;

    Harbin Engn Univ Coll Informat &

    Commun Engn Harbin 150001 Heilongjiang Peoples R China;

    Heilongjiang Bayi Agr Univ Coll Informat Technol Daqing 163319 Heilongjiang Peoples R China;

    Harbin Engn Univ Coll Informat &

    Commun Engn Harbin 150001 Heilongjiang Peoples R China;

    Harbin Engn Univ Coll Informat &

    Commun Engn Harbin 150001 Heilongjiang Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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