Weiyan LI, Qunbo LÜ, Yangyang LIU, Zheng TAN, Jianwei WANG, Na ZHAO, Linlin PEI, Jianying SUN, Xinwen CHEN. Thermal Characteristics Analysis and Verification of Primary Supporting Structure for Spaceborne Camera Based on Low Volume SiC/Al Primary Mirror Frame[J]. Acta Photonica Sinica, 2021, 50(4): 207
- Acta Photonica Sinica
- Vol. 50, Issue 4, 207 (2021)
Fig. 1. Supporting structures used for spaceborne camera
Fig. 2. Optical structure used for verification
Fig. 3. Three-dimensional structure of primary mirror frame
Fig. 4. Topology optimization of primary mirror frame
Fig. 5. Optimized primary mirror frame
Fig. 6. Primary mirror deformation (TC4 primary frame)
Fig. 7. Primary mirror deformation (SiC/Al primary frame)
Fig. 8. TC4 primary mirror frame temperature
Fig. 9. SiC/Al primary mirror frame temperature
Fig. 10. Camera MTF (TC4 primary mirror frame)
Fig. 11. Camera MTF (SiC/Al primary mirror frame)
Fig. 12. Position of main frame temperature measuring point
Fig. 13. Spaceborne camera thermo-optic experiment
Fig. 14. Target image of camera assembled
Fig. 15. Target image of thermo-optic experiment
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Table 1. Spaceborne camera parameters used for verification
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Table 2. Material properties for spaceborne camera
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Table 3. Material Performance factors
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Table 4. Temperature date of primary mirror frame thermo-optic experiment
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