Modified surface testing method for large convex aspheric surfaces based on diffraction optics.

@article{Zhang2017ModifiedST,
  title={Modified surface testing method for large convex aspheric surfaces based on diffraction optics.},
  author={Haidong Zhang and Xiao-kun Wang and Donglin Xue and Xuejun Zhang},
  journal={Applied optics},
  year={2017},
  volume={56 34},
  pages={
          9398-9405
        },
  url={https://api.semanticscholar.org/CorpusID:46809331}
}
A modified method is proposed, which utilizes a relatively small computer-generated hologram and an illumination lens with certain feasibility to measure the large convex aspherics to prove the accuracy can be better than 6 nm with careful alignment and calibration of the illumination lens in advance.
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10 Citations

10 Citations

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