Fig. 1. Schematic diagram of reflective cup

Fig. 2. Simulation diagram of light source system

Fig. 3. Simulation model before optimization

Fig. 4. Illumination diagram and light intensity diagram obtained from receiving surface before optimization

Fig. 5. Illumination diagram and light intensity diagram obtained from receiving surface after optimization

Fig. 6. Simulation diagram of spacing optimization of dual-light sources

Fig. 7. Optimization diagram of light source spacing

Fig. 8. Simulation diagram of rectangular array light source system

Fig. 9. Illumination diagram and light intensity diagram obtained from receiving surface of rectangular array light source system