Xiaohan Liu, Shuangcheng Li, Meixuan Li, Rongjia Zhang, Yuan Zhang. Supporting structure design for primary and tertiary mirror of off-axis TMA system[J]. Infrared and Laser Engineering, 2021, 50(8): 20210025
- Infrared and Laser Engineering
- Vol. 50, Issue 8, 20210025 (2021)
Fig. 1. Optical system layout
Fig. 2. MTF of optical system（Nyquist）
Fig. 3. Schematic diagram of primary and thiral mirror
Fig. 4. Development process of mirror support system
Fig. 5. Structure diagram of primary and tertiary mirror cell
Fig. 6. Tridimensional model of primary and tertiary mirror
Fig. 7. Schematic diagram of the mirror supporting structure
Fig. 8. Parametric model of flexure supporting
Fig. 9. Deformation results of different parameters at gravity and thermal rise of 4 ℃
Fig. 10. Finite element model of the mirror support system
Fig. 11. Cloud diagram of reflective mirror self-weight deformation
Fig. 12. Cloud diagram of reflective mirror thermal deformation
Fig. 13. Photo of primary and tertiary mirror subassembly
Fig. 14. Scheme of primary and tertiary mirror surface distortion measurement
Fig. 15. Surface measuring result of the mirror
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Table 1. Performance parameters of materials
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