Fig. 1. Coupling and imaging by using LBS and grating optical waveguide

Fig. 2. Original image and post-system image. (a) Original image; (b) post-system image

Fig. 3. Diagram of propagation of central FOV and edge FOV in waveguide

Fig. 4. Diagram of virtual light source

Fig. 5. Diagram of light beam entering human eye in central field of view

Fig. 6. Diagram of 2D beam entering human eye in some field of view

Fig. 7. 2D light area for human eye receiving 1 mm beam in different FOV. (a) Curve; (b) simulation diagram

Fig. 8. Schematic diagram and experimental setup diagram of relay optical path. (a) Schematic diagram; (b) experimental setup diagram

Fig. 9. Image after adding diffuser

Fig. 10. Zemax back-end design

Fig. 11. Back-end design evaluation diagrams. (a) MTF diagram; (b) distortion diagram

Fig. 12. Zemax front-end design

Fig. 13. Front-end design evaluation diagrams. (a) MTF diagram; (b) distortion diagram

Fig. 14. Diagram of system with relay optical path

Fig. 15. 2D light area for human eye receiving 4 mm beam in different FOV. (a) Curve; (b) simulation diagram