Journal of Applied Optics, Volume. 42, Issue 5, 782(2021)
Optical system of star sensor with miniaturization and wide spectral band
Figures & Tables(14)
Table 1. Field of view and threshold magnitude under requirement of all sky recognition
View tableView in ArticleTable 1. Field of view and threshold magnitude under requirement of all sky recognition
探测视场/（°） 10×10 15×15 18.8×18.8 20×20 探测阈值星等/（Mv） 6.0 5.4 5.0 4.7
Table 2. Design indexes of optical system
View tableView in ArticleTable 2. Design indexes of optical system
参数 指标要求 焦距/mm 40±0.5 视场/（°） ≥18.8×18.8 相对孔径（F#） 2.8 光谱范围/nm 450 ～1 000 能量集中度/% ≥85（in 3 pixel×3 pixel） 相对畸变/% ≤0.05 温度范围/℃ −40～60
Table 3. Distribution results of focal power
View tableView in ArticleTable 3. Distribution results of focal power
透镜组序号 归一化光焦度 透镜序号 归一化光焦度 前组 1.9 透镜1 1.8 透镜2 −2.6 透镜3 2.6 中组 −4.6 透镜4 −3.1 透镜5 2.4 透镜6 −3.6 后组 2.4 透镜7 1.1 透镜8 1.3
Table 4. Results of optical system design
View tableView in ArticleTable 4. Results of optical system design
参数 设计结果 焦距/mm 39.993 4 视场/（°） 18.8×18.8 相对孔径F# 2.8 光谱范围/nm 450～1 000 能量集中度/% ≥85（in 3 pixel×3 pixel） 相对畸变/% ≤0.001 温度范围/℃ −40～60
Table 5. Statistics of lateral chromatic aberration
View tableView in ArticleTable 5. Statistics of lateral chromatic aberration
Field Lateral color/μm Short wave-reference wave Short wave-long wave 0.3 0.38 1.15 0.5 0.79 1.65 0.7 1.48 1.77 0.85 2.30 1.38 1.0 3.3 0.74
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Yanxiong WU, Liping WANG. Optical system of star sensor with miniaturization and wide spectral band[J]. Journal of Applied Optics, 2021, 42(5): 782
Paper Information
Category: OE SYSTEM AND ENGINEERING
Received: Jan. 21, 2021
Accepted: --
Published Online: Sep. 23, 2021
The Author Email: WANG Liping (home313@126.com)
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