Journal of Applied Optics, Volume. 44, Issue 5, 975(2023)
Optical design of miniaturized laser communication receiving telescope with long exit pupil distance
Figures & Tables(13)
Table 1. Performance index requirements for laser receiving telescope
View tableView in ArticleTable 1. Performance index requirements for laser receiving telescope
参数 指标 放大倍率/× 20 通光口径/mm 60 出瞳距/mm ≥50 接收信号光波长/nm 974；1550 视场/mrad 6 波像差/λ 0.5 mrad视场内优于l/40 6 mrad视场内优于l/20 温度适应性/℃ 20±10
Table 2. Cassegrain system and its improved structure
View tableView in ArticleTable 2. Cassegrain system and its improved structure
类型 主镜面型 次镜面型 像差校正情况 成像视场 加工难度 Cassegrain 抛物面 双曲面 实现球差校正 小 一般 Ritchey-Chretien 双曲面 双曲面 实现球差和彗差校正 大 较难 Dall-Kirkham 椭球面 球面 系统实现球差校正 小 较易
Table 3. Parameters of telescope objective
View tableView in ArticleTable 3. Parameters of telescope objective
参数 R1/mm R2/mm d/mm B/mm K1 值 −173.75 −27.77 −75 82.03 −0.849 6
Table 4. Parameters of laser receiving telescope
View tableView in ArticleTable 4. Parameters of laser receiving telescope
面 曲率半径/mm 厚度/mm 材料 圆锥系数 物面 Infinity Infinity ― 光阑 Infinity 0.00 ― 173.74 −75.00 平面镜 −0.85 −27.76 65.17 平面镜 141.60 0.85 N-BK7 7.13 0.10 ― 6.30 0.96 N-SSK5 16.00 0.73 ― Infinity 24.87 ― −3.70 1.71 N-LASF44 −4.51 9.85 ― 16.82 1.35 N-SF66 8.89 2.65 ― 14.24 2.86 CAF2 −11.74 61.02 ―
Table 5. Wave aberration at different temperatures
View tableView in ArticleTable 5. Wave aberration at different temperatures
温度/℃ 波长/nm 中心视场的波像差/λ 边缘视场的波像差/λ 10 974 0.004 7 0.019 4 1550 0.008 8 0.016 6 20 974 0.004 8 0.019 1 1550 0.009 3 0.016 7 30 974 0.005 1 0.018 9 1550 0.009 9 0.016 9
Table 6. Tolerance analysis results
View tableView in ArticleTable 6. Tolerance analysis results
公差 范围 半径 /fringes ±0.5 厚度 /mm ±0.01 偏心 /mm ±0.01 倾斜 /mm ±0.01 折射率 0.01 阿贝数 /% 1
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Qianzhi XU, Peng YANG, Haiwei WANG, Jiaqi PENG, Zinan SONG, Bocai HOU, Yannan ZHANG. Optical design of miniaturized laser communication receiving telescope with long exit pupil distance[J]. Journal of Applied Optics, 2023, 44(5): 975
Paper Information
Category: Research Articles
Received: Jul. 7, 2022
Accepted: --
Published Online: Mar. 12, 2024
The Author Email: Peng YANG (杨鹏)
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