• Laser & Optoelectronics Progress
  • Vol. 59, Issue 12, 1209001 (2022)
Run Hu, Fangxu Tian, Qiqing Lin, Chenchen Lu, and Jun Zhang*
Author Affiliations
  • Guangzhou Key Laboratory of Visible Light Communication, College of Science and Engineering, Jinan University, Guangzhou 510632, Guangdong , China
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    DOI: 10.3788/LOP202259.1209001 Cite this Article Set citation alerts
    Run Hu, Fangxu Tian, Qiqing Lin, Chenchen Lu, Jun Zhang. Multilayer Holographic Planar Waveguide Display System[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1209001 Copy Citation Text show less
    Principle of holographic flat panel display
    Fig. 1. Principle of holographic flat panel display
    Principle of pupil expansion
    Fig. 2. Principle of pupil expansion
    Image from image source
    Fig. 3. Image from image source
    Single layer all planar waveguide structure and simulation results. (a) Single layer all planar waveguide structure; (b) simulation results
    Fig. 4. Single layer all planar waveguide structure and simulation results. (a) Single layer all planar waveguide structure; (b) simulation results
    Simulation results of wavelength interference
    Fig. 5. Simulation results of wavelength interference
    Structure of three-layer holographic planar waveguide
    Fig. 6. Structure of three-layer holographic planar waveguide
    Simulation results of three-layer holographic planar waveguide
    Fig. 7. Simulation results of three-layer holographic planar waveguide
    Test system
    Fig. 8. Test system
    Imaging results. (a) Red light imaging; (b) green light imaging;(c)blue light imaging;(d)white light imaging
    Fig. 9. Imaging results. (a) Red light imaging; (b) green light imaging;(c)blue light imaging;(d)white light imaging
    ParameterInput gratingTurning gratingOutput grating
    FormBlock/attribute uniformFrontBackFrontBack
    CharacteristicSemi transparent and semi reflectiveReflection gratingReflection gratingSemi transparent and semi reflectiveSemi transparent and semi reflective
    Size /(mm×mm)5×55×55×55×105×10
    Diffraction order± Level 1± Level 1± Level 1± Level 1± Level 1
    Raster vectorxyz=0∶1∶0xyz =1∶1∶0xyz=1∶1∶0xyz =1∶0∶0xyz =1∶0∶0
    Grating constant /nm360254.5254.5360360
    ReflectivityThe first grade reflectivity is 50%;The transmission is 50%The reflectivity of level 1 is 50%,and that of level 0 is 50%Level 1 reflection 100%Grade 1 reflectivity 13%,grade 0 reflectivity 37%,grade 0 transmittance 50%Grade 1 reflection 35% 0 transmission 65%
    Input light colorBlue light,wavelength 437 nm
    Reflection conditionTotal reflection of blue light. Red light and green light enter the second layer through the first layer
    Table 1. Blue light layer raster properties
    ParameterInput gratingTurning gratingOutput grating
    FormBlock/attribute uniformFrontBackFrontBack
    CharacteristicSemi transparent and semi reflectiveReflection gratingReflection gratingSemi transparent and semi reflectiveSemi transparent and semi reflective
    Grating constantt /nm453320.5320.5453453
    ReflectivityThe first grade reflectivity is 50%;The transmission is 50%The reflectivity of level 1 is 50%,and that of level 0 is 50%Level 1 reflection 100%Grade 1 reflectivity 20%,grade 0 reflectivity 30%,grade 0 transmittance 50%

    Grade 1 reflection 50%

    0 transmission 50%

    Input light colorGreen light,wavelength 550 nm
    Reflection conditionThe green light is totally reflected,the red light enters the third layer through the second layer,and the blue light is totally reflected in the first layer
    Table 2. Green light layer raster properties
    ParameterInput gratingTurning gratingOutput grating
    FormBlock/attribute uniformFrontBackFrontBack
    CharacteristicReflection gratingReflection gratingReflection gratingReflection gratingReflection grating
    Grating constant /nm565399.5399.5565565
    ReflectivityGrade 1 reflectivity:100%Grade 1 reflectivity 50%,level 0 reflectivity 50%Grade 1 reflection 100%Grade 1 reflectance 57%,grade 0 reflectance 43%Grade 1 reflectivity:100%
    Input light colorRed light,wavelength 685 nm
    Reflection conditionRed light is totally reflected,blue light is totally reflected in the first layer,and green light is totally reflected in the second layer
    Table 3. Red light layer raster properties
    Run Hu, Fangxu Tian, Qiqing Lin, Chenchen Lu, Jun Zhang. Multilayer Holographic Planar Waveguide Display System[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1209001
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