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electromagnetic-fields

Paper Title Other Keywords Page
TUPP018 Variational Approach for Coupled Backward and Forward Wave Excitation in Free-Electron Lasers radiation, electron, free-electron-laser, laser 270
 
  • A. Yahalom, Yu. Lurie, Y. Pinhasi
    CJS, Ariel
  
 

In a recent paper [1] we have described a novel variational formulation for the propagation and generation of radiation in wave-guides. The formulation is based on the representation of all the involved quantities in the frequency domain and the decomposition of field and currents in terms of the wave-guide transversal Eigen function. In this work we present the utilization of this formalism to the derivation of a numerical scheme that is used to study the build up of radiation in free electron lasers in the linear approximation.

[1] Asher Yahalom, Yosef Pinhasi & Yuri Lurie "Spectral and Variational Principles of Electromagnetic Field Excitation in Wave Guides" submitted to Physics Letters A (2004).