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Figure 4
Regarding the cascaded EEHG with harmonic 2000, average βx,y = 1.7 m and Ipeak = 300 A, (a) radiator-2 is set to lase in the second harmonic with an undulator period of 10 mm and optimal detuning Ku,helical = 0.8471; the peak power as a function of the undulator distance is shown for two cases, A1 = 1.3 (blue) and A1 = 2.5 (red). (b) RMS energy spread as a function of the undulator distance is shown for two cases, A1 = 1.3 (red) and 2.5 (blue). Regarding the peak current I, the final CR power can be scaled quadratically by the factor (I/300)2 (Yang et al., 2022aBB45,bBB43).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 30| Part 5| September 2023| Pages 861-875
https://doi.org/10.1107/S1600577523006586
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