• Infrared and Laser Engineering
  • Vol. 50, Issue 2, 20200175 (2021)
Liangjie Feng, Pengfei Cheng, and Wei Wang
Author Affiliations
  • The Space Optical Technology Research Department, Xi’an Institute of Optics and Precision Mechanics of Chinese Academy of Sciences, Xi’an 710119, China
  • show less
    DOI: 10.3788/IRLA20200175 Cite this Article
    Liangjie Feng, Pengfei Cheng, Wei Wang. Design of Φ450 mm light-weighted SiC mirror subsystem in space-based astronomy telescope[J]. Infrared and Laser Engineering, 2021, 50(2): 20200175 Copy Citation Text show less
    [in Chinese]
    Fig. 1. [in Chinese]
    [in Chinese]
    Fig. 2. [in Chinese]
    [in Chinese]
    Fig. 3. [in Chinese]
    [in Chinese]
    Fig. 4. [in Chinese]
    [in Chinese]
    Fig. 5. [in Chinese]
    [in Chinese]
    Fig. 6. [in Chinese]
    [in Chinese]
    Fig. 7. [in Chinese]
    [in Chinese]
    Fig. 8. [in Chinese]
    [in Chinese]
    Fig. 9. [in Chinese]
    [in Chinese]
    Fig. 10. [in Chinese]
    [in Chinese]
    Fig. 11. [in Chinese]
    [in Chinese]
    Fig. 12. [in Chinese]
    [in Chinese]
    Fig. 13. [in Chinese]
    [in Chinese]
    Fig. 14. [in Chinese]
    BeZerodurULEFused silica RB SiC
    Density/g·cm−31.852.532.212.193.1
    Modulus/GPa303927372391
    Poisson’s ration0.0430.240.170.170.25
    Thermal conductivity/W·m−1·K−12161.461.40.5120-170
    Expansion coefficient/K×10−611.40.050.032.92.5
    Table 1. [in Chinese]
    ParametersRangesStepsOptimization results
    L/mm 5-200.210
    w/mm 5-150.28
    t/mm 1-20.11.5
    d/mm 10-250.521
    φ/(°) 40-120256
    Table 2. [in Chinese]
    Liangjie Feng, Pengfei Cheng, Wei Wang. Design of Φ450 mm light-weighted SiC mirror subsystem in space-based astronomy telescope[J]. Infrared and Laser Engineering, 2021, 50(2): 20200175
    Download Citation