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Optimum point of acceleration of an electron inside the collisional plasma-filled elliptical waveguide

Published online by Cambridge University Press:  05 September 2014

M. Hadad  and
M. Torkiha-Esfhani
M. Hadad*
Affiliation:
Physics Department, University of Kashan, Kashan, Islamic Republic of Iran
M. Torkiha-Esfhani
Affiliation:
Physics Department, University of Kashan, Kashan, Islamic Republic of Iran
*
†Email address for correspondence: hadad.m92@gmail.com
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Abstract

In this paper, the effect of the electron collision frequency with background ions on TMmr mode field components, the trajectory and the electron energy gain is studied. The field components of the TMmr mode in the elliptical waveguides are calculated. The ohmic heating for three different value of collision frequency calculated and the power losses is obtained. The deflection angle and acceleration gradient of an electron in the fields associated with a transverse magnetic (TM) wave propagating inside a elliptical waveguide for TMmr mode is studied. The relativistic momentum and energy equations for an electron are solved, which was injected initially along the propagation direction of the microwave. The results for TMmr mode are graphically represented. Finally, the optimum point of acceleration for the even mode TM11 is obtained and it is shown that in a cross section of elliptical waveguide optimum point is center of ellipse.

Type
Research Article
Information
Journal of Plasma Physics , Volume 81 , Issue 2 , April 2015 , 905810213
Copyright
Copyright © Cambridge University Press 2014 

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