Subaperture Stitching Interferometry: Jigsaw Puzzles in 3D Space
Shanyong Chen, Shengyi Li, Yifan Dai
Wavefront interferometry is a standard solution when measuring optical surface error or wavefront aberrations. However, the lateral range of measurement is usually limited by the aperture of the interferometer. Subaperture stitching interferometry solves this problem by dividing the full aperture into a series of smaller, overlapping subapertures that are measured individually before being stitched back together. This Spotlight introduces the mathematical background, stitching algorithms, and subaperture lattice design for stitching interferometry with null subapertures, non-null subapertures, and near-null subapertures as applied to large flats, high-numerical-aperture spheres, and aspheres.
Kategorien:
Jahr:
2016
Verlag:
SPIE
Sprache:
english
Seiten:
55
ISBN 10:
1510602259
ISBN 13:
9781510602250
Serien:
SPIE spotlight SL15.
Datei:
PDF, 15.94 MB
IPFS:
,
english, 2016
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