Reducing the Heat Load on the LCLS 120 Hz RF Gun with RF Pulse Shaping

@inproceedings{Schmerge2005ReducingTH,
  title={Reducing the Heat Load on the LCLS 120 Hz RF Gun with RF Pulse Shaping},
  author={J. F. Schmerge},
  year={2005}
}
The LCLS injector must operate at 120 Hz repetition frequency but to date the maximum operating frequency of an S-band rf gun has been 50 Hz. The high fields desired for the LCLS gun operation limit the repetition frequency due to thermal expansion causing rf detuning and field redistribution. One method of addressing the thermal loading problem is too reduce the power lost on the cavity walls by properly shaping the rf pulse incident on the gun. The idea is to reach the steady state field… CONTINUE READING

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