Bin Li, Sisi Gao, Haichao Wang, Jiayi Chen, Xi Chen, Yuting Lu. Adjustment and testing method of large aperture mirror Bipod support structure[J]. Infrared and Laser Engineering, 2024, 53(4): 20230657
- Infrared and Laser Engineering
- Vol. 53, Issue 4, 20230657 (2024)
Fig. 1. Optical path diagram of remote sensing camera optical system
Fig. 2. Camera optical system transfer function curve
Fig. 3. Error allocation of remote sensing camera optical system
Fig. 4. Typical reflector Bipod support structure schematic
Fig. 5. Assembly relationship between main mirror and support pad
Fig. 6. Finite element model of the main mirror
Fig. 7. Structural characteristics of primary mirror reference coordinate system
Fig. 8. Installation diagram of the target ball seat of the support pad
Fig. 9. Mirror and support pad installation and adjustment effect
Fig. 10. (a) The front shape error of mirror assembly and adjustment; (b) Mirror configuration error; (c) Variation of surface shape before and after installation
Fig. 11. Partial diagram of Bipod support structure
Fig. 12. Schematic diagram of Bipod support structure model of primary mirror component
Fig. 13. Top view of Bipod support structure support point
Fig. 14. Construction diagram of bearing plate coordinate system
Fig. 15. Measurement result of surface shape of mirror assembly
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Table 1. The spatial position deviation of the mirror and the bearing plate
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Table 2. Bipod rod adjusting length
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