Author Affiliations
School of Optoelectronic Engineering, Xi'an Technological University, Xi'an, Shaanxi 710021, Chinashow less
Fig. 1. Schematic of holographic waveguide plate optical path transmission. (a) Reflection coupling elements; (b) transmission coupling elements
Fig. 2. Schematic of recording and reproduction of transmissive coupling element. (a) Schematic of coupling element 1 recording; (b) schematic of coupling element 2 recording; (c) schematic of coupling element 1 reproduction; (d) schematic of coupling element 2 reproduction
Fig. 3. Grating vector analysis diagram of projective coupling elements. (a) K vector circle analysis diagram of coupling element 1; (b) schematic of grating inclination of coupling element 1; (c) K vector circle analysis diagram of coupling element 2; (d) schematic of grating inclination of coupling element 2
Fig. 4. Grating vector analysis diagram of projective coupling elements. (a) K vector circle analysis diagram of coupling element 1; (b) schematic of the grating inclination of the coupling element 1; (c) K vector circle analysis diagram of coupling element 2; (d) schematic of the grating inclination of the coupling element 2
Fig. 5. Schematic of coupling element recording optical path. (a) Transmissive coupling element 1; (b) transmissive coupling element 2; (c) reflective coupling element 1; (d) reflective coupling element 2
Fig. 6. Interference light intensity simulation result of coupling element during recording. (a) Transmissive coupling element 1; (b) transmissive coupling element 2; (c) reflective coupling element 1; (d) reflective coupling element 2
Fig. 7. Simulation results of cross-sectional electric field distribution when the coupling element is reproduced. (a) Transmissive coupling element 1; (b) transmissive coupling element 2; (c) reflective coupling element 1; (d) reflective coupling element 2
Fig. 8. Influence of wavelength shift on grating constant and first-order diffraction angle. (a) Grating constant; (b) first-order diffraction angle
Coupling element | Wavelength /nm | Grating constant /nm | Grating angle /(°) | Incident light angle /(°) |
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1 | 633 | 589 | 21 | 0 | 2 | 633 | 589 | -21 | -42 |
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Table 1. Grating structure and incident light parameters of transmissive coupling element
Coupling element | Wavelength /nm | Grating constant /nm | Grating angle /(°) | Incident light angle /(°) |
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1 | 633 | 226 | -69 | 0 | 2 | 633 | 226 | 69 | -42 |
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Table 2. Grating structure and incident light parameters of reflective coupling element
Coupling element | Vector x | Vector y | First orderdiffraction angle /(°) | Ideal first orderdiffraction angle /(°) |
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1 | 9294652.82 | 8569437.29 | 42.00 | 42 | 2 | 47310.22 | -1.38×107 | 0.00 | 0 |
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Table 3. First-order diffracted light direction parameter of transmissive coupling element
Coupling element | Vector x | Vector y | First orderdiffraction angle /(°) | Ideal first orderdiffraction angle /(°) |
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1 | -9962556.78 | 1.11×107 | 42.00 | 42 | 2 | -172.12 | 1.49×107 | 0.00 | 0 |
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Table 4. First-order diffracted light direction parameter of reflective coupling element