NDLI: Nonlinear dynamics in a free electron laser amplifier with electromagnetic pumping

Content Provider	IEEE Xplore Digital Library
Author	Dmitrieva, T.V. Ryskin, N.M.
Copyright Year	2004
Description	Author affiliation: Saratov State Univ., Russia (Dmitrieva, T.V.; Ryskin, N.M.)
Abstract	Summary form only given. In this paper, we discuss nonlinear dynamics of a model of a scattron FEL amplifier based on the induced backscattering of two transversal electromagnetic waves on a relativistic electron beam. We consider the electromagnetic waves to be fast waves with group velocities equal to the speed of light. We investigate the dynamics of the system in the case of a moderately relativistic electron beam. Numerical simulations show that in the system self-modulation takes place. The self-modulation effect in FEL-amplifier was observed for the first time in. Apart from our approach correctly considers the frequency dependence of the FEL gain. The physical origin of self-modulation in the FEL amplifier is the parasitic feedback that takes place due to counter propagation of the pump wave.
Sponsorship	Plasma Sci. and Applications Committee of the IEEE Nuclear and Plasma Sci. Soc
File Size	49348
File Format	PDF
ISBN	0780383346
ISSN	07309244
DOI	10.1109/PLASMA.2004.1340061
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-07-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Free electron lasers Pump lasers Laser excitation Nonlinear dynamical systems Electromagnetic scattering Electron beams Laser modes Electromagnetic modeling Backscatter Numerical simulation
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering

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