Electron trajectories in a helical free-electron laser

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1. Verfasser: Riadh EL-BAHI
Format: Artículo científico
Sprache:en
Veröffentlicht: Sociedade Brasileira de Física 2002
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author Riadh EL-BAHI
author_facet Riadh EL-BAHI
contents Electron trajectories in a helical free-electron laser Riadh EL-BAHI Mohamed Nazih Rhimi Abdel Wahab Cheikhrouhou Física, Astronomía y Matemáticas A description is made of electron trajectories in a magnetic field consisting of helical wiggler and a uniform axial guide field. The explicit motion of particles for which the quadratic approximation to the Hamiltonian was carried out in some previous publications is now presented. The transverse position as a function of time is essentially the superposition of three circular motions of different frequency; one corresponds to the fixed point, the second to the cyclotronic motion, while the third is a very slow motion of the center of gyration. Electrons in this model swept out the x - y plane with elliptical and circular orbits that characterize the group I, the normal and reversed-field group-II configurations. Several illustrative examples are discussed in detail. 2002 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46413506021 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3 Vol.32
format Artículo científico
id redalyc_46413506021
institution Redalyc
language en
publishDate 2002
publisher Sociedade Brasileira de Física
spellingShingle Electron trajectories in a helical free-electron laser
Riadh EL-BAHI
Física, Astronomía y Matemáticas
Electron trajectories in a helical free-electron laser Riadh EL-BAHI Mohamed Nazih Rhimi Abdel Wahab Cheikhrouhou Física, Astronomía y Matemáticas A description is made of electron trajectories in a magnetic field consisting of helical wiggler and a uniform axial guide field. The explicit motion of particles for which the quadratic approximation to the Hamiltonian was carried out in some previous publications is now presented. The transverse position as a function of time is essentially the superposition of three circular motions of different frequency; one corresponds to the fixed point, the second to the cyclotronic motion, while the third is a very slow motion of the center of gyration. Electrons in this model swept out the x - y plane with elliptical and circular orbits that characterize the group I, the normal and reversed-field group-II configurations. Several illustrative examples are discussed in detail. 2002 artículo científico 0103-9733 https://www.redalyc.org/articulo.oa?id=46413506021 en http://www.redalyc.org/revista.oa?id=464 Brazilian Journal of Physics application/pdf Sociedade Brasileira de Física Brazilian Journal of Physics (Brasil) Num.3 Vol.32
title Electron trajectories in a helical free-electron laser
topic Física, Astronomía y Matemáticas
url https://www.redalyc.org/articulo.oa?id=46413506021