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Figure 6
Wavefront contribution of the astigmatism A and figure error δ, Σw(ℓ) − Sfit ≃ (A + δ). The three panels, (a) |ℓ| = 1, (b) |ℓ| = 2 and (c) |ℓ| = 3, are almost identical [with the same standard deviation (s.d.) of 0.22λ], as expected.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 31| Part 5| September 2024| Pages 1058-1066
https://doi.org/10.1107/S160057752400626X
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