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Figure 1
Approximation of the wave electric field on the line x = x0 by a linear superposition of functions of the form (16)[link]. The blue dots denote the grid points, and they are also the centers of the Gaussian functions. h = σ = 20 µm. The exact function and the approximating function practically merge.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 2| March 2019| Pages 363-372
https://doi.org/10.1107/S1600577518017368
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