Figure 1
Harmonic power evolution at SWISS XFEL; (a) the energy spread 350 keV for E = 5.8 GeV represents the real installation; (b) the assumed spread is three times higher: σe = 0.018%. Harmonics: n = 1, red solid; n = 2, orange dot-dashed; n = 3, green dashed; n = 5, blue dotted line. |