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Figure 4
Short-bunch case with a low charge of 40 pC at 8.3 keV. (a) The average spectral intensities with an FWHM bandwidth of 12 eV (SASE) and 0.91 eV (self-seeded), respectively. (b) The seeded FWHM bandwidth for the typical single-shot spectra is 0.89 eV. (c) The 200 consecutive spectra for the SASE (#1–#200) and self-seeded FEL (#201–#400) operations. (d) The histograms of the integrated intensity over a 1 eV bandwidth for the SASE operation and the self-seeded FEL.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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