Laser & Optoelectronics Progress, Volume. 59, Issue 12, 1209001(2022)
Multilayer Holographic Planar Waveguide Display System
Figures & Tables(12)
Fig. 4. Single layer all planar waveguide structure and simulation results. (a) Single layer all planar waveguide structure; (b) simulation results
Fig. 9. Imaging results. (a) Red light imaging; (b) green light imaging;（c）blue light imaging；（d）white light imaging
Table 1. Blue light layer raster properties
View tableTable 1. Blue light layer raster properties
Parameter Input grating Turning grating Output grating Form Block/attribute uniform Front Back Front Back Characteristic Semi transparent and semi reflective Reflection grating Reflection grating Semi transparent and semi reflective Semi transparent and semi reflective Size /（mm×mm） 5×5 5×5 5×5 5×10 5×10 Diffraction order ± Level 1 ± Level 1 ± Level 1 ± Level 1 ± Level 1 Raster vector x∶y∶z=0∶1∶0 x∶y∶z =1∶1∶0 x∶y∶z=1∶1∶0 x∶y∶z =1∶0∶0 x∶y∶z =1∶0∶0 Grating constant /nm 360 254.5 254.5 360 360 Reflectivity The 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 color Blue light，wavelength 437 nm Reflection condition Total reflection of blue light. Red light and green light enter the second layer through the first layer
Table 2. Green light layer raster properties
View tableTable 2. Green light layer raster properties
Parameter Input grating Turning grating Output grating Form Block/attribute uniform Front Back Front Back Characteristic Semi transparent and semi reflective Reflection grating Reflection grating Semi transparent and semi reflective Semi transparent and semi reflective Grating constantt /nm 453 320.5 320.5 453 453 Reflectivity The 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 color Green light，wavelength 550 nm Reflection condition The 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 3. Red light layer raster properties
View tableTable 3. Red light layer raster properties
Parameter Input grating Turning grating Output grating Form Block/attribute uniform Front Back Front Back Characteristic Reflection grating Reflection grating Reflection grating Reflection grating Reflection grating Grating constant /nm 565 399.5 399.5 565 565 Reflectivity Grade 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 color Red light，wavelength 685 nm Reflection condition Red light is totally reflected，blue light is totally reflected in the first layer，and green light is totally reflected in the second layer
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Run Hu, Fangxu Tian, Qiqing Lin, Chenchen Lu, Jun Zhang. Multilayer Holographic Planar Waveguide Display System[J]. Laser & Optoelectronics Progress, 2022, 59(12): 1209001
Paper Information
Category: Holography
Received: Apr. 29, 2021
Accepted: Jun. 2, 2021
Published Online: May. 23, 2022
The Author Email: Jun Zhang (Tzhangjun_oe@jnu.edu.cn)
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