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Acta Optica Sinica, Volume. 42, Issue 5, 0512003(2022)

Compensation Method of Refraction Error Caused by Transparent Display Screen in Transmissive Display Dual-Screen Deflectometric System

Yuexia Wang, Zonghua Zhang*, Nan Gao, and Zhaozong Meng
Author Affiliations
  • School of Mechanical Engineering, Hebei University of Technology, Tianjin 300130, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
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    References (20)
    Cited By (2)
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    Figures & Tables(13)
    Schematic diagram of transmission display double screen system

    Fig. 1. Schematic diagram of transmission display double screen system

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    System schematic diagram considering refraction

    Fig. 2. System schematic diagram considering refraction

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    Refraction model

    Fig. 3. Refraction model

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    Photo of experimental system

    Fig. 4. Photo of experimental system

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    Dual-screen displayed image

    Fig. 5. Dual-screen displayed image

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    Dual-screen displayed phase shift images. (a) TD; (b) LCD

    Fig. 6. Dual-screen displayed phase shift images. (a) TD; (b) LCD

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    Photo of steps

    Fig. 7. Photo of steps

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    Measured 3D shape of right-angle step

    Fig. 8. Measured 3D shape of right-angle step

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    Annular steps. (a) Photo of step; (b) fringe pattern reflected by step

    Fig. 9. Annular steps. (a) Photo of step; (b) fringe pattern reflected by step

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    Surface shape of annular steps

    Fig. 10. Surface shape of annular steps

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    • Table 1. Analysis of accuracy verification resultsmm

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      Table 1. Analysis of accuracy verification resultsmm

      Known depth ofrail movementDepth measured by systembefore compensationDepth measured bysystem after compensationAbsolute errorbefore compensationAbsolute error aftercompensation
      55.0334.9800.033-0.020
      109.9679.981-0.033-0.019
      -10-10.023-9.987-0.0230.013
      -5-4.971-5.0160.029-0.016

    • Table 2. Measurement results and error of right-angle stepsmm

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      Table 2. Measurement results and error of right-angle stepsmm

      CMM measureddistanceDepth measured by thesystem before compensationDepth measured by thesystem after compensationAbsolute errorbefore compensationAbsolute errorafter compensation
      3.9874.0164.0060.0290.019
      7.0257.0487.0380.0230.013
      5.0064.9814.990-0.025-0.016
      6.0996.1306.1210.0310.022

    • Table 3. Measurement results and error of annular stepsmm

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      Table 3. Measurement results and error of annular stepsmm

      CMM measureddistanceDepth measured by systembefore compensationDepth measured by systemafter compensationAbsolute errorbefore compensationAbsolute errorafter compensation
      3.0002.9782.986-0.022-0.014
      4.0004.0284.0220.0280.022
      5.0005.0325.0240.0320.024
      5.5005.5205.4870.020-0.013
      6.5006.4796.485-0.021-0.015
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    Yuexia Wang, Zonghua Zhang, Nan Gao, Zhaozong Meng. Compensation Method of Refraction Error Caused by Transparent Display Screen in Transmissive Display Dual-Screen Deflectometric System[J]. Acta Optica Sinica, 2022, 42(5): 0512003

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Aug. 10, 2021

    Accepted: Sep. 10, 2021

    Published Online: Mar. 8, 2022

    The Author Email: Zhang Zonghua (zhzhang@hebut.edu.cn)

    DOI:10.3788/AOS202242.0512003

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology