Optical Instruments, Volume. 45, Issue 4, 40(2023)
Design of a solar blind ultraviolet optical system for corona detection
Figures & Tables(14)
Table 1. Key design parameters of optical system
View tableView in ArticleTable 1. Key design parameters of optical system
参数 值 波长/nm 240~280 焦距/mm 50 相对孔径 1/2.5 靶面尺寸/mm Φ18 MTF（@20 lp/mm） 畸变 ≥0.3 ≤3
Table 2. Ideal image plane offset at −20 -60 ℃
View tableView in ArticleTable 2. Ideal image plane offset at −20 -60 ℃
温度/℃ −20 −10 0 10 20 30 40 50 60 偏移量/mm −0.1313 −0.0992 −0.0665 −0.0333 0 0.0346 0.0692 0.1043 0.1299
Table 3. Tolerance allocation of the system
View tableView in ArticleTable 3. Tolerance allocation of the system
表面 序号 半径公差 /光圈 厚度 公差/mm 表面偏心 公差/mm 元件偏心 公差/mm 元件倾斜 公差/° 表面不规 则度 折射率 公差 阿贝数 公差/％ 1 ±4 ±0.03 ±0.02 ±0.02 ±0.05 ±0.5 ±0.001 ±1 2 ±4 ±0.03 ±0.02 ±0.5 3 ±4 ±0.03 ±0.02 ±0.02 ±0.05 ±0.5 ±0.001 ±1 4 ±4 ±0.03 ±0.02 ±0.5 5 ±4 ±0.03 ±0.02 ±0.02 ±0.05 ±0.5 ±0.001 ±1 6 ±4 ±0.03 ±0.02 ±0.5 7 ±4 ±0.03 ±0.02 ±0.02 ±0.05 ±0.5 ±0.001 ±1 8 ±4 ±0.03 ±0.02 ±0.5 9 ±4 ±0.03 ±0.02 ±0.02 ±0.05 ±0.5 ±0.001 ±1 10 ±4 ±0.03 ±0.02 ±0.5
Table 4. Results of Monte Carlo tolerance analysis
View tableView in ArticleTable 4. Results of Monte Carlo tolerance analysis
蒙特卡洛百分比/％ MTF（@ 20 lp/mm） RMS光斑半径/mm ≥90 0.4391 0.0205 ≥80 0.5118 0.0198 ≥50 0.5824 0.0167 ≥20 0.6255 0.0122 ≥10 0.6494 0.0106
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Liang SHEN, Shihong ZHU, Xiuling LIANG. Design of a solar blind ultraviolet optical system for corona detection[J]. Optical Instruments, 2023, 45(4): 40
Paper Information
Category: OPTICAL SYSTEM
Received: Dec. 11, 2022
Accepted: --
Published Online: Sep. 26, 2023
The Author Email: LIANG Xiuling (xlliang@fjnu.edu.cn)
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