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Figure 3
HAMP operation at 4.5 MHz repetition rate (2 pulses per train at 4.5 MHz or 222 ns, XTD1 XGM in SASE2 at 18 keV, Xe gas target, HAMP voltage at −1400 V). HAMP ADC traces at different repeller voltages as a function of time. HAMP peaks arrive at earlier times with increasing repeller voltage and the peak widths decrease, but consecutive peaks still overlap.

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SYNCHROTRON
RADIATION
ISSN: 1600-5775
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