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Figure 3
(a) Intensity correlation functions. (b) Beam size in FWHM at different positions beneath the focus. The inserted small graphs represent the beam size close to the focus. The intensity correlation functions in (a) are labelled A to D. The vertical and horizontal beam sizes at the corresponding defocus positions were estimated from the same intensity correlation function.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 27| Part 5| September 2020| Pages 1366-1371
https://doi.org/10.1107/S1600577520009868
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