Chinese Optics, Volume. 17, Issue 4, 909(2024)
Design of athermalization optical machine structure for optical axis stability detection system
Fig. 3. Spot diagrams of the main beam compression optical subunit
Fig. 4. Matrix spot diagrams of the main beam compression subunits
Fig. 5. Schematic diagram of the structure of optical axis stability detection unit
Fig. 6. Matrix spot diagram of the optical axis stability detection unit
Fig. 7. Wavefront aberration diagram of the optical axis stability detection unit
Fig. 8. Structural diagram of auxiliary assembly and adjustment unit for optical axis stability detection
Fig. 9. Matrix spot diagram of auxiliary assembly and adjustment unit for optical axis stability detection
Fig. 10. Wavefront aberration diagram of auxiliary assembly and adjustment unit for optical axis stability detection system
Fig. 13. Temperature analysis results of optical axis stability detection system at 45 °C
Fig. 14. Temperature analysis of optical axis stability detection system at −10 °C
Fig. 17. Temperature analysis results of H-ZLAF53B and H-QK3L doublet lens
Fig. 19. Temperature analysis results of H-ZK14 and H-ZF52GT doublet lens
Table 1. Technical specifications of the proposed optical system
View tableView in ArticleTable 1. Technical specifications of the proposed optical system
指标 参数 波长 (1064±3) nm&(632.8±3) nm 视场 ±3′ 通光口径 165 mm 光轴偏移精度 ±5″ 光轴稳定探测单元艾里斑直径 ≥6个像素@1 064 nm 辅助装调系统像素数 380×380 工作温度 −10 °C~45 °C
Table 2. The relative displacement between the primary and secondary mirrors at 45 °C
View tableView in ArticleTable 2. The relative displacement between the primary and secondary mirrors at 45 °C
参数 相对位移 X方向倾斜（°） 0.012 Y方向偏心（mm） −0.01097 Z方向偏心（mm） 0.01108
Table 3. The relative displacement between the primary and secondary mirrors at −10 °C
View tableView in ArticleTable 3. The relative displacement between the primary and secondary mirrors at −10 °C
参数 相对位移 X方向倾斜（°） 0.011 Y方向偏心（mm） 0.00275 Z方向偏心（mm） −0.02416
Table 4. Optical axis offset at 45 °C
View tableView in ArticleTable 4. Optical axis offset at 45 °C
参数 值 x方向光轴偏移角度（°） −0.000982 y方向光轴偏移角度（°） −0.000581 光轴偏移（°） 0.001141（4.11″）
Table 5. Optical axis offset at −10 °C
View tableView in ArticleTable 5. Optical axis offset at −10 °C
参数 值 x方向光轴偏移角度（°） −0.000893 y方向光轴偏移角度（°） 0.000591 光轴偏移角度（°） 0.001071（3.86″）
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Chang-xiao SONG, Xin YU, Su-ping BAI, Dong-xu JIANG, Cai LIU, Miao-xin GUAN, Jia-hao HAN. Design of athermalization optical machine structure for optical axis stability detection system[J]. Chinese Optics, 2024, 17(4): 909
Received: Dec. 18, 2023
Accepted: Feb. 26, 2024
Published Online: Aug. 9, 2024
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