Yitong Ding, Zhenyu Gao, Xu Peng, Ningfang Song, Di Feng, Dongfeng Zhao, Xiaoyu Chi. Banding Suppression and Relay Optical Path Design for Laser Scanning Head-Mounted Augmented Reality System[J]. Laser & Optoelectronics Progress, 2020, 57(13): 130801
- Laser & Optoelectronics Progress
- Vol. 57, Issue 13, 130801 (2020)
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
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Table 1. Design parameters for relay optical path
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