Journal of Applied Optics, Volume. 45, Issue 1, 192(2024)
High wear resistant double-layer antireflection coatings for near-infrared vehicular lidar
Figures & Tables(7)
Fig. 1. Test results of refractive index, transmissivity and sol particle size
Fig. 2. Reflectivity of bilayer films at different incident angles
Fig. 3. Surface morphology of bilayer coatings with different underlayer curing modes
Fig. 5. 3D surface morphology of sample 3 before and after wear test
Table 1. Variables for refractive index and sol formulas of TiO2 coatings
View tableView in ArticleTable 1. Variables for refractive index and sol formulas of TiO2 coatings
样品编号 固化温度/℃ 盐酸浓度/mol/L 水/g 盐酸/g 钛酸四丁酯/g 乙酰丙酮/g 无水乙酸/g 乙醇/g 固化温度/℃ 1 200 6 - 14 28 - - 250 200 2 300 6 - 14 28 - - 250 300 3 400 6 - 14 28 - - 250 400 4 500 6 - 14 28 - - 250 500 5 600 6 - 14 28 - - 250 600 6 700 6 - 14 28 - - 250 700 7 650 4 - 14 28 - - 250 650 8 650 6 - 14 28 - - 250 650 9 650 8 - 14 28 - - 250 650 10 650 10 - 14 28 - - 250 650 11 650 - 1 - 28 9 2 250 650 12 650 - 2 - 28 9 2 250 650 13 650 - 3 - 28 9 2 250 650 14 650 - 4 - 28 9 2 250 650
Table 2. Fitting results of thickness and refractive index of bilayer coatings with different underlayer curing modes
View tableView in ArticleTable 2. Fitting results of thickness and refractive index of bilayer coatings with different underlayer curing modes
底层TiO2 中间层 顶层SiO2 厚度/nm 折射率 厚度/nm 折射率 厚度/nm 折射率 样品1 166.00 1.89 95.93 1.59 111.50 1.44 样品2 181.48 1.96 - - 126.19 1.43 样品3 168.65 2.10 - - 137.32 1.43 样品4 183.39 1.96 - - 136.90 1.43
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Yuhan SI, Xiaojun YE, Xiaoliang WANG, Hongbo LI. High wear resistant double-layer antireflection coatings for near-infrared vehicular lidar[J]. Journal of Applied Optics, 2024, 45(1): 192
Paper Information
Category: Research Articles
Received: Dec. 6, 2022
Accepted: --
Published Online: May. 28, 2024
The Author Email: Xiaoliang WANG (王晓亮（1983—）)
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