Yan-xiong WU, Zhi-yuan GUO, Miao YU, Li-ping WANG. Optical System Design of Miniaturized Fundus Camera Based on Non-coaxial Array Illumination[J]. Acta Photonica Sinica, 2020, 49(8): 0822002
- Acta Photonica Sinica
- Vol. 49, Issue 8, 0822002 (2020)
Fig. 1. Diagram of light path structure of traditional fundus camera
Fig. 2. Diagram of light path structure of fundus camera based on non-coaxial ring array illumination
Fig. 3. Analysis diagram of effective illumination area of fundus
Fig. 4. Analysis diagram of fundus lighting area
Fig. 5. Effective imaging FOV analysis chart
Fig. 6. Result diagram of optical system design
Fig. 7. Result diagram of lighting sub array system design
Fig. 8. Result diagram of circular array lighting system design
Fig. 9. Analysis diagram of lighting uniformity simulation
Fig. 10. Diagram of simulation of fundus illumination effect
Fig. 11. Simulation of stray light in new fundus camera
Fig. 12. Simulation of stray light in traditional fundus camera
Fig. 13. Two dimensional structure diagram of imaging system
Fig. 14. Curve diagram of MTF of imaging system
Fig. 15. Spot diagram and distortion map of imaging system
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Table 1. Design parameters of lighting system
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Table 2. Multiple structural parameters of lighting subarray system
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Table 3. Simulation data of fundus illumination uniformity
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Table 4. Design parameters of imaging system
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Table 5. Lens data of imaging system
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