Start-up from noise and high-gain regime of the free electron laser: A hamiltonian formulation

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Abstract

By using a hamiltonian formulation we develop a consistent set of equations for the motion of electrons in the field produced by radiation and the wiggler. We treat the coupled electron-field equations in the linear and high-gain regimes, both analytically and numerically, and investigate the start-up of the free electron laser from noise. Comparison with previous theories shows that the differences in lethargy times and gains can be as large as 30%.

Original languageEnglish (US)
Pages (from-to)201-205
Number of pages5
JournalOptics Communications
Volume58
Issue number3
DOIs
StatePublished - Jun 1 1986
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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