Huiyang XIE, Da MU, Yue ZHANG, Tangyue LI, Pengyu XIA. Design of surface relief grating elements for augmented reality display devices[J]. Journal of Applied Optics, 2024, 45(4): 849
- Journal of Applied Optics
- Vol. 45, Issue 4, 849 (2024)
Fig. 1. Schematic diagram of augmented reality display system based on waveguide coupling
Fig. 2. Schematic diagram of surface relief grating
Fig. 3. Schematic diagram of optical waveguide total reflection
Fig. 4. Schematic diagram of binary diffraction grating
Fig. 5. Relationship between refractive index of optical waveguide and maximum field of view angle
Fig. 6. Diagram of relationship between field of view, duty cycle, grating period and diffraction efficiency
Fig. 7. Diagram of relationship between field of view, grating thickness, grating angle and diffraction efficiency
Fig. 8. Diagram of relationship between field of view and diffraction efficiency of single-layer surface relief grating
Fig. 9. Simulation results of optimized parameters for double layer surface relief gratings
Fig. 10. Diagram of relationship between field of view and diffraction efficiency of double-layer surface relief grating
Fig. 11. Simulation results of optimized parameters for three layer surface relief gratings
Fig. 12. Diagram of relationship between inclination angle of the third layer grating and diffraction efficiency
Fig. 13. Relationship between field of view and diffraction efficiency of surface relief grating on different structures
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Table 1. Parameters of single-layer surface relief grating
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Table 2. Parameters of double-layer surface relief grating
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Table 3. Parameters of three-layer surface relief grating
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