Xiang Wang, Kepeng Zhang, Zhuang Chen, Bin Zhang, Jian Chen, Jianhua Zhao. Analysis of absorption characteristics of polluted particles on optical mirrors[J]. Infrared and Laser Engineering, 2020, 49(4): 0414004
- Infrared and Laser Engineering
- Vol. 49, Issue 4, 0414004 (2020)
Fig. 1. Light absorption model for contaminated particles
Fig. 2. Internal electric field strength of contaminated particles with different sizes
Fig. 3. Absorption of polluted particles with different refractive index (a) real part and (b) virtual part
Fig. 4. Distribution of polluted particles on optical mirrors with different cleanliness
Fig. 5. Ratio of absorptive value of particles of different sizes to total absorptive value of particles in different cleanliness
Fig. 6. Ratio of absorptive value of specular dust to total dust collection at different wavelengths
Fig. 7. Ratio of polluted particle absorption to total absorption of specular particle with different refractive index
Fig. 8. Effects of air cleanliness on specular particulate pollutant absorption
Fig. 9. Influence of orientation of different working faces on absorption
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Table 1. Refractive index of dust at different wavelengths
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Table 2. Absorption efficiency of different air cleanliness grades
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Table 3. Absorption efficient for different placement
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Table 4. Absorption efficiency at exposure times
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