Jun PI, Hui LU, Tao JIANG, Yuzhou ZHANG, Guang YANG, Zhihuang SHEN. Influence of Geometry Structure of Microstructure on Reflective Characteristics of the Micro-prism Film in the Nonplanar State[J]. Acta Photonica Sinica, 2021, 50(3): 96
- Acta Photonica Sinica
- Vol. 50, Issue 3, 96 (2021)
Fig. 1. Micro-prism reflective film with different shapes and its CCR
Fig. 2. Structural changes of curved corner cube prism
Fig. 3. The value of the dihedral angle of the reflecting surface at different points
Fig. 4. Trace of light passing through CCR
Fig. 5. Division of reflective surface area of CCR
Fig. 6. Relationship between dihedral angle error δ and divergence angle ϕ
Fig. 7. Ray trace of curved reflecting surface
Fig. 8. Incident angles of CCR at different positions on curved reflective film
Fig. 9. Diffraction pattern of single CCR at different bending angles
Fig. 10. Light simulation model of curved reflective film
Fig. 11. Illumination analysis of reflected light from the reflective film with different bending angles
Fig. 12. Reflectance of the reflective film with different bending angles
Fig. 13. Relationship between reflectivity and beam incident angle at different bending angles
Fig. 14. The reflectivity changes of different curved reflective films under different light sources
Fig. 15. Reflective film unit structure CCR
Fig. 16. Measuring system
Fig. 17. Retroreflectivity of reflective film at different angles of incidence at different bending angles
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Table 1. Parameters of reflective film sample
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