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Figure 10
Fitting example with 2D tangential collimating diaboloid height data (a). The red dot indicates the location of the chief ray intersection from the fitting. (b) The fitting is carried out with fixed p, q, and θ, and optimized xi, yi, zi, α, and β. (c) The residual height of (b) is dominated by a twist. (d) The fitting is carried out with fixed p, q, and θ, and optimized xi, yi, zi, α, β, and γ. (e) The residual height of (d) is random noise only.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 2| March 2026| Pages 278-288
https://doi.org/10.1107/S1600577525011282
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