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Figure 8
Spectral analysis simulation with an energy jitter of 5 eV (FWHM) and additional pulse duration jitter of 1 fs (r.m.s.). (a) Typical single-shot simulated spectra and an averaged spectrum (blue line). (b) Autocorrelation function of individual spectral lines averaged over 5 × 103 pulses (blue line) and the fit with the two Gaussian functions (magenta dashed line). (c) Histogram of the pulse duration distribution. (d) Histogram of the spectral pulse intensity distribution (blue). The green background corresponds to the gamma probability distribution function with number of modes M = 17. (e) Second-order intensity correlation function g(2)(ω1,ω2) of the simulated spectra. (f) Second-order intensity correlation function g(2)(Δω) taken along the white dashed line in (c) and its fit (black dashed line) with equation (9)[link]. Additional features around Δω = 0 are easily seen in this panel. In the inset the profile of the g(2)(ω,ω) function along the diagonal in (e) is shown.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 29| Part 6| November 2022| Pages 1465-1479
https://doi.org/10.1107/S1600577522008773
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