Optics and Precision Engineering, Volume. 30, Issue 11, 1272(2022)

Adaptivly locating holographic positive first-order spectrum using maximum value of spectral phase

Changying DANG1...2, Jiansu LI1,2,*, Pengfei ZHAO2 and Tai XU2 |Show fewer author(s)
Author Affiliations
  • 1Shanxi Key Laboratory of Advanced Manufacturing Technology, North University of China, Taiyuan03005, China
  • 2School of Mechanical Engineering, North University of China, Taiyuan030051, China
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    Figures & Tables(9)
    Schematic diagram of off-axis pre-magnification configuration
    Schematic diagram for distribution of spectral amplitude in digital holography
    Optical path of off-axis transmission digital holographic microscopy
    Holograms and its phase and amplitude spectra of different objects
    Spatial filtering and 3D reconstruction profiles
    Reconstruction profile
    Reconstruction images of USAF 1951 resolution chart: (a) Hologram; (b) Filtering windows, MB and Auto represent filtering windows of the prior template filtering and adaptive spatial filtering of this paper, respectively; (c) and (d) are the reconstructed intensity images of adaptive spatial filtering and the prior template filtering, respectively; (e) Enlarged region labeled in (c); (f) Enlarged region labeled in (d)
    One-dimensional intensity profiles of element 2 of group 8 in reconstructed intensity images
    • Table 1. Coordinate and distance between regional center of gravity and maximum value point of spectral phase

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      Table 1. Coordinate and distance between regional center of gravity and maximum value point of spectral phase

      ObjectC1x1y1C2x2y2C3x3y3PmpxmpympD1D2D3Ddesired
      Micro-hole array(79.8,172.4)(130,125)(180,77.6)(172,78)137.768.60.50.5
      Step phase(78.9,87.2)(129,129)(180,77.6)(185,175)137.772.57.27.2
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    Changying DANG, Jiansu LI, Pengfei ZHAO, Tai XU. Adaptivly locating holographic positive first-order spectrum using maximum value of spectral phase[J]. Optics and Precision Engineering, 2022, 30(11): 1272

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    Paper Information

    Category: Modern Applied Optics

    Received: Dec. 3, 2021

    Accepted: --

    Published Online: Jul. 4, 2022

    The Author Email: LI Jiansu (jslihongcha@126.com)

    DOI:10.37188/OPE.20223011.1272

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