skip to main content

SciTech ConnectSciTech Connect

Title: Effects of electromagnetic wiggler and ion channel guiding on equilibrium orbits and waves propagation in a free electron laser

In this paper, an analysis of equilibrium orbits for electrons by a simultaneous solution of the equation of motion and the dispersion relation for electromagnetic wave wiggler in a free-electron laser (FEL) with ion-channel guiding has been presented. A fluid model has been used to investigate interactions among all possible waves. The dispersion relation has been derived for electrostatic and electromagnetic waves with all relativistic effects included. This dispersion relation has been solved numerically. For group I and II orbits, when the transverse velocity is small, only the FEL instability is found. In group I and II orbits with relatively large transverse velocity, new couplings between other modes are found.
Authors:
 [1] ;  [2]
  1. Department of Physics, Islamic Azad University, Nour branch, Nour (Iran, Islamic Republic of)
  2. Department of Physics, Faculty of Basic Sciences, University of Mazandaran, Babolsar (Iran, Islamic Republic of)
Publication Date:
OSTI Identifier:
22493876
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 23; Journal Issue: 2; Other Information: (c) 2016 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; DISPERSION RELATIONS; ELECTROMAGNETIC RADIATION; ELECTRONS; EQUATIONS OF MOTION; FLOW MODELS; FREE ELECTRON LASERS; INSTABILITY; MATHEMATICAL SOLUTIONS; ORBITS; RELATIVISTIC RANGE; VELOCITY; WAVE PROPAGATION