Development of silicon carbide mirrors: the example of the Sofia secondary mirror

@inproceedings{Fruit2017DevelopmentOS,
  title={Development of silicon carbide mirrors: the example of the Sofia secondary mirror},
  author={M. Fruit and P. Antoine},
  booktitle={International Conference on Space Optics},
  year={2017}
}
  • M. Fruit, P. Antoine
  • Published in
    International Conference on…
    2017
  • Materials Science, Engineering
The 352 mm tip-tilt SOFIA Secondary Mirror has been developed by the ASTRIUM / BOOSTEC joint venture SiCSPACE, taking full benefit of the intrinsic properties of the BOOSTEC S-SiC sintered material, associated to qualified processes specifically developed for space borne mirrors by ASTRIUM SAS. Achieved performances include a low mass of 1.7 kg, a very high stiffness with a first resonant frequency higher than 2000 Hz and an optical surface accuracy corresponding to a maximum WFE of 50 nm rms… Expand
2 Citations
New candidate substrate materials for space mirror optics

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