Journal of Applied Optics, Volume. 44, Issue 5, 943(2023)
Opto-mechanical design of large-aperture near-infrared wavefront detection device
Figures & Tables(21)
Fig. 1. Schematic diagram of overall optical path of wavefront detection device
Fig. 2. Schematic diagram of optical structure of main beam-shrinking system
Fig. 6. Schematic diagram of main-mirror structure design of main beam-shrinking system
Fig. 7. Structure diagram of secondary mirror tube of main beam-shrinking system
Fig. 10. Schematic diagram of distribution of optical elements on substrate
Fig. 13. Analysis of main mirror shape of main beam-shrinking system
Table 1. Technical indexes of wavefront detection device
View tableView in ArticleTable 1. Technical indexes of wavefront detection device
系统指标 数值 主缩束系统倍率 11.9 主缩束系统通光口径/ mm 200×80 视场/（′） ±2.89 波长/ nm 1030±1 主缩束系统筒长/ mm ≤265 主缩束装置出射光束准直度/（°） ≤0.02 主缩束系统入瞳位置/mm 500 主缩束系统配合光轴探测子光学系统等效焦距/m 5.5±5% 光轴探测子光学系统焦距/mm 462±2%
Table 2. Lens data of main beam-shrinking system
View tableView in ArticleTable 2. Lens data of main beam-shrinking system
表面类型 曲率半径/mm 厚度/mm 材料 4阶项 6阶项 8阶项 偶次非球面 200 33 H-ZF7LA −1.70×10−8 −2.16×10−13 −3.69×10−18 标准面 ∞ 1 — — — — 偶次非球面 636 18 H-ZF7LA −5.39×10−9 −1.55×10−14 1.12×10−19 标准面 ∞ 174.75 — — — — 标准面 ∞ 1.5 H-ZF7LA — — — 偶次非球面 −53.3 0.1 — −1.19×10−5 1.01×10−7 −2.71×10−10 标准面 ∞ 2.8 H-ZF7LA — — — 偶次非球面 −16.8 10.72 — 4.41×10−5 2.55×10−8 1.31×10−10 近轴面 — 16.81 — — — —
Table 3. Overall performance indexes of wavefront detection device
View tableView in ArticleTable 3. Overall performance indexes of wavefront detection device
整体性能 技术要求 环境适应性 方便运输、易于安装、抗霉菌、抗腐蚀抗锈、户外环境温度−30 ℃～+60 ℃ 装置重量/kg <20 外形尺寸/ mm3 <300×120×250
Table 4. Test results of optical indexes
View tableView in ArticleTable 4. Test results of optical indexes
名称 检测项目 技术指标要求 检测结果 检测设备 光轴探测系统 焦距/mm 462 462.5 焦距测量仪 复合传感器 焦距/m 5.5 5.5 焦距测量仪
Table 5. External dimensions of parts and whole machine
mm View tableView in ArticleTable 5. External dimensions of parts and whole machine
mm 名称 安装要求（长×宽×高） 检测结果 光瞳探测光学系统 <123×45×45 126×44×44 光轴探测光学系统 <70×45×45 63×44×44 整机 <300×120×250 299.9×120.1×249.8
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Jiachun ZHOU, Tianyuan GAO. Opto-mechanical design of large-aperture near-infrared wavefront detection device[J]. Journal of Applied Optics, 2023, 44(5): 943
Paper Information
Category: Research Articles
Received: Feb. 8, 2023
Accepted: --
Published Online: Mar. 12, 2024
The Author Email: GAO Tianyuan (高天元)
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