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“School of Particles And Accelerator”

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Paper   IPM / Particles And Accelerator / 12926
School of Particles and Accelerator
  Title:   Thermal Effect on Prebunched Two-Beam Free Electron Laser
  Author(s): 
1.  Najmeh Sadat Mirian
2.  Behrouz Maraghechi
  Status:   Published
  Journal: Phys. Plasmas
  No.:  083102
  Vol.:  20
  Year:  2013
  Pages:   1-17
  Supported by:  IPM
  Abstract:
A numerical simulation in one-dimension is conducted to study the two-beam free electron laser. The fundamental resonance of the fast electron beam coincides with the fifth harmonic of the slow electron beam in order to generate extreme ultraviolet radiation. Thermal effect in the form of the longitudinal velocity spread is included in the analysis. In order to reduce the length of the wiggler prebunched slow electron beam is considered. The evaluation of the radiation power, bunching parameter, distribution function of energy, and the distribution function of the pondermotive phase is studied. Sensitivity of the power of the fifth harmonic to the jitter in the energy difference between the two beams is also studied. A phase space is presented that shows the trapped electrons at the saturation point.

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