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Figure 12
(a) Interference pattern taken at λ = 8 nm and Δt = 0 fs. The visibility in the region marked by the red rectangle amounts to V = 0.8. (b) Temporal visibility distribution of the FEL beam at λ = 8 nm. Every point represents the average of 25 individual interference patterns taken at one delay. The resulting coherence time is τc = 1.75 ± 0.04 fs. The average visibility in the maximum was determined to V = 0.74 ± 0.08.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 30| Part 2| March 2023| Pages 479-489
https://doi.org/10.1107/S1600577523000395
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