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Taghi Mohsenpour

Taghi Mohsenpour

Academic rank: Associate Professor
ORCID:
Education: PhD.
ScopusId:
Faculty: Science
Address: Department of Physics, Faculty of Basic Sciences,University of Mazandaran , Babolsar, Iran
Phone: 01135302480

Research

Title
Self-field effects on instability of wave modes in a two-stream free-electron laser with an axial magnetic field
Type
JournalPaper
Keywords
Self-field; instability; wave modes; two-stream; free-electron laser; axial magnetic field
Year
2014
Journal Physics of Plasmas
DOI
Researchers Taghi Mohsenpour ، Omme Kolsom Rezaee

Abstract

Free electron lasers (FEL) play major roles in the Raman Regime, due to the charge and current densities of the beam self-field. The method of perturbation has been applied to study the influence of self-electric and self-magnetic fields. A dispersion relation for two-stream free electron lasers with a helical wiggler and an axial magnetic field has been found. This dispersion relation is solved numerically to investigate the influence of self-fields on the FEL coupling and the two-stream instability. It was found that self-fields can produce very large effects on the FEL coupling, but they have almost negligible effects on two-stream instability.