• Laser & Optoelectronics Progress
  • Vol. 59, Issue 13, 1312001 (2022)
Haifei Xu1 and Yong He1、2、*
Author Affiliations
  • 1School of Electronic Engineering and Optoelectronic Technology, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu , China
  • 2Key Laboratory of Advanced Solid Laser Industry and Information Technology Ministry, Nanjing 210094, Jiangsu , China
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    DOI: 10.3788/LOP202259.1312001 Cite this Article Set citation alerts
    Haifei Xu, Yong He. Study on Diopter Measurement Technology of Progressive Multi-Focus Lens Using Phase-Shifting Talbot Interferometer[J]. Laser & Optoelectronics Progress, 2022, 59(13): 1312001 Copy Citation Text show less
    Schematic diagram of lens diopter measurement by Talbot interferometer
    Fig. 1. Schematic diagram of lens diopter measurement by Talbot interferometer
    Schematic diagram of the included angle between reference grating and CCD coordinate
    Fig. 2. Schematic diagram of the included angle between reference grating and CCD coordinate
    Physical diagram of the experimental device
    Fig. 3. Physical diagram of the experimental device
    Moiré fringe values of different diopters collected by the system
    Fig. 4. Moiré fringe values of different diopters collected by the system
    Moiré fringe of progressive multi-focus lens
    Fig. 5. Moiré fringe of progressive multi-focus lens
    Diopter distribution of progressive multi-focal lens.(a) Overall distribution; (b) evolutionary channel diopter ditribution
    Fig. 6. Diopter distribution of progressive multi-focal lens.(a) Overall distribution; (b) evolutionary channel diopter ditribution
    ParameterNominal value
    -7.50-5.00-3.00-1.00-7.50-5.00-3.00-1.00
    Average value-7.540-4.985-2.990-1.035-7.540-4.985-2.990-1.035
    Root mean square0.0660.0850.0780.0490.0660.0850.0780.049
    Maximum error0.100.120.120.100.100.120.120.10
    Table 1. Average values of ten measurements with different diopters of single focus lens
    ParameterNumber
    12345
    Average value-1.284-1.262-1.283-1.290-1.286
    Root mean square0.0310.0390.0440.0390.051
    Maximum error0.050.070.080.060.08
    Table 2. Diopter measurement data in near area of multi-focus lens
    Haifei Xu, Yong He. Study on Diopter Measurement Technology of Progressive Multi-Focus Lens Using Phase-Shifting Talbot Interferometer[J]. Laser & Optoelectronics Progress, 2022, 59(13): 1312001
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