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Chinese Optics, Volume. 18, Issue 4, 771(2025)

Design of holographic reproduction images based on liquid crystal spatial light modulator

Jun-ge LEI, Guo-bin SUN*, Jin ZHANG, Shi-lei JIANG, and Chi HU
Author Affiliations
  • School of Opto-electronical Engineering, Xi′an Technological University, Xi’an 710021, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (32)
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    References (25)
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    Figures & Tables(32)
    Schematic diagram of (a) holographic recording and (b) holographic reproduction

    Fig. 1. Schematic diagram of (a) holographic recording and (b) holographic reproduction

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    Principle diagram of off-axis holographic reproduction

    Fig. 2. Principle diagram of off-axis holographic reproduction

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    Principle diagram of GS algorithm

    Fig. 3. Principle diagram of GS algorithm

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    Flowchart of GS algorithm

    Fig. 4. Flowchart of GS algorithm

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    Original simulation image

    Fig. 5. Original simulation image

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    Original images with different line widths. (a) k0=5; (b) k0=10; (c) k0=15; (d) k0=20

    Fig. 6. Original images with different line widths. (a) k0=5; (b) k0=10; (c) k0=15; (d) k0=20

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    Phase distributions of original image with different line widths. (a) k0=5; (b) k0=10; (c) k0=15; (d) k0=20

    Fig. 7. Phase distributions of original image with different line widths. (a) k0=5; (b) k0=10; (c) k0=15; (d) k0=20

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    Simulation reproduction images with different line widths. (a) k0=5; (b) k0=10; (c) k0=15; (d) k0=20

    Fig. 8. Simulation reproduction images with different line widths. (a) k0=5; (b) k0=10; (c) k0=15; (d) k0=20

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    Original images with different ring diameters. (a) D0=400 pixel; (b) D0=500 pixel; (c) D0=600 pixel; (d) D0=700 pixel

    Fig. 9. Original images with different ring diameters. (a) D0=400 pixel; (b) D0=500 pixel; (c) D0=600 pixel; (d) D0=700 pixel

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    Phase distributions of original image with different ring diameters. (a) D0=400 pixel; (b) D0=500 pixel; (c) D0=600 pixel; (d) D0=700 pixel

    Fig. 10. Phase distributions of original image with different ring diameters. (a) D0=400 pixel; (b) D0=500 pixel; (c) D0=600 pixel; (d) D0=700 pixel

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    Simulated reproduction images with different ring diameters. (a) D0=400 pixel; (b) D0=500 pixel; (c) D0=600 pixel; (d) D0=700 pixel

    Fig. 11. Simulated reproduction images with different ring diameters. (a) D0=400 pixel; (b) D0=500 pixel; (c) D0=600 pixel; (d) D0=700 pixel

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    Phase distributions of original image with different sampling intervals. (a) N=1; (b) N=2; (c) N=4; (d) N=8

    Fig. 12. Phase distributions of original image with different sampling intervals. (a) N=1; (b) N=2; (c) N=4; (d) N=8

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    Simulated reproduction images with different sampling intervals. (a) N=1; (b) N=2; (c) N=4; (d) N=8

    Fig. 13. Simulated reproduction images with different sampling intervals. (a) N=1; (b) N=2; (c) N=4; (d) N=8

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    Schematic diagram of holographic reproduction system

    Fig. 14. Schematic diagram of holographic reproduction system

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    Holographic reproduction experimental system based on LC-SLM

    Fig. 15. Holographic reproduction experimental system based on LC-SLM

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    Microstructure of transmissive phase-type LC-SLM liquid crystal display

    Fig. 16. Microstructure of transmissive phase-type LC-SLM liquid crystal display

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    Reproduction images (a) before and (b) after filtering

    Fig. 17. Reproduction images (a) before and (b) after filtering

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    Holographic reproduction images with different line widths. (a) k0=5; (b) k0=10; (c) k0=15; (d) k0=20

    Fig. 18. Holographic reproduction images with different line widths. (a) k0=5; (b) k0=10; (c) k0=15; (d) k0=20

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    The line widths of the reproduction images varying with the line widths of the original images

    Fig. 19. The line widths of the reproduction images varying with the line widths of the original images

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    Holographic reproduction images with different ring diameters. (a) D0=400 pixel; (b) D0=500 pixel; (c) D0=600 pixel; (d) D0=700 pixel

    Fig. 20. Holographic reproduction images with different ring diameters. (a) D0=400 pixel; (b) D0=500 pixel; (c) D0=600 pixel; (d) D0=700 pixel

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    The ring diameters of reproduction images varying with ring diameters of original images

    Fig. 21. The ring diameters of reproduction images varying with ring diameters of original images

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    Holographic reproduction images with different sampling intervals. (a) N=1; (b) N=2; (c) N=4; (d) N=8

    Fig. 22. Holographic reproduction images with different sampling intervals. (a) N=1; (b) N=2; (c) N=4; (d) N=8

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    The actual size of reproduction images varying with sampling intervals

    Fig. 23. The actual size of reproduction images varying with sampling intervals

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    (a) Original image, (b) phase distribution map of the simulation design and (c) the reproduction image

    Fig. 24. (a) Original image, (b) phase distribution map of the simulation design and (c) the reproduction image

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    • Table 1. Line widths of simulated reproduction images corresponding to line widths of different original images

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      Table 1. Line widths of simulated reproduction images corresponding to line widths of different original images

      Line width of the original images k0 (pixel)Line width of the simulated reproduction images (pixel)Fitting slope
      551
      1010
      1515
      2020

    • Table 2. Simulated reproduction image ring diameters corresponding to different original image ring diameters

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      Table 2. Simulated reproduction image ring diameters corresponding to different original image ring diameters

      Ring diameter of the original images D0 (pixel)Ring diameter in simulated reproduction images (pixel)Fitting slope
      4004001
      500500
      600600
      700700

    • Table 3. Simulated reproduction image ring diameters corresponding to different sampling intervals

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      Table 3. Simulated reproduction image ring diameters corresponding to different sampling intervals

      Ring diameter of original imagesSampling coefficient NSampling interval d(μm)Ring diameter of simulated reproduction images (pixel)Fitting slope
      700112.57001
      2253501/2
      4501751/4
      8100871/8

    • Table 4. Operating parameters of LC-SLM

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      Table 4. Operating parameters of LC-SLM

      ParameterParameter value
      Effective area size12.8 mm×9.6 mm
      Number of pixels1024×768
      Pixel size12.5 μm×12.5 μm
      Pixel pitch12.5 μm
      Fill factor80%
      Gray scale range0～255

    • Table 5. Operating parameters of CCD cameras and imaging lens

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      Table 5. Operating parameters of CCD cameras and imaging lens

      ParameterParameter value
      Camera operating parametersNumber of pixels2048×1536
      Pixel size2.8 μm×2.8 μm
      Lens operating parametersFocal length50 mm
      Aperture rangeF/1.8～F/10

    • Table 6. Reproduction image line widths corresponding to different original image line widths tested experimentally

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      Table 6. Reproduction image line widths corresponding to different original image line widths tested experimentally

      Line width of the original images k0 (pixel)Line width of the reproduction images in pixels (pixel)Line width of the reproduction images k (mm)Fitting slope (mm/pixel)
      5100.02800.0030
      10160.0450
      15220.0620
      20260.0730

    • Table 7. Ring diameters of the reproduction images corresponding to the ring diameters of the different original images tested experimentally

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      Table 7. Ring diameters of the reproduction images corresponding to the ring diameters of the different original images tested experimentally

      Ring diameter of the original images D0 (pixel)Pixel occupied by ring diameters in reproduction images (pixel)Ring diameter of reproduction images D (mm)Fitting slope (mm/pixel)
      4004481.25440.0030
      5005581.5624
      6006671.8676
      7007662.1448

    • Table 8. The ring diameters values of the reproduction images corresponding to the different sampling intervals tested experimentally

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      Table 8. The ring diameters values of the reproduction images corresponding to the different sampling intervals tested experimentally

      Sampling coefficientNSampling interval d(μm)Pixel occupied by ring diameters of reproduction images (pixel)Ring diameter of reproduction images D (mm)
      112.57022.1448
      2253961.1088
      4502410.6748
      81001620.4536
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    Jun-ge LEI, Guo-bin SUN, Jin ZHANG, Shi-lei JIANG, Chi HU. Design of holographic reproduction images based on liquid crystal spatial light modulator[J]. Chinese Optics, 2025, 18(4): 771

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    Paper Information

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    Received: Dec. 11, 2024

    Accepted: Mar. 18, 2025

    Published Online: Aug. 13, 2025

    The Author Email:

    DOI:10.37188/CO.2024-0224

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