SNS LEBT Chopper improvements

@article{Saethre2012SNSLC,
  title={SNS LEBT Chopper improvements},
  author={Robert B. Saethre and Vladimir V. Peplov},
  journal={2012 IEEE International Power Modulator and High Voltage Conference (IPMHVC)},
  year={2012},
  pages={704-707}
}
The Low Energy Beam Transport (LEBT) Chopper for the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory has experienced failures of the power semiconductors within the tri-state pulsed power supplies. These power supplies deliver a +/- 3 kV pulse or ground potential to an electrostatic einzel lens split into four quadrants to deflect the beam for 200 ns to 1 us. The four power supplies are ac coupled to a -50 kV dc supply for steering offset of the lens. This paper discusses the… CONTINUE READING

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Ramping Up the SNS Beam Current with the LBNL Baseline H- Source

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