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Inverse free electron laser and accelerating electrons with applied oscillatory voltages

Publication Date : 20/07/2015



Author(s) :

Baran Nikrah , Mohadeseh.


Volume/Issue :
Volume 2
,
Issue 7
(07 - 2015)



Abstract :

In this article we try to expend the theory of high gradient laser excited electron accelerator by an inverse free-electron laser. The wiggler used in our scheme is produced by segmented cylindrical electrodes with applied oscillatory voltages. We can describe the inverse free electron accelerator by the equations that govern the electron motion in the allied fields of both laser pulse and Paul wiggler field. By focusing on electron energy and electron trajectories and using fourth order Runge-Kutta method, it is found that the electron energy reaches different peaks for different initial axial velocities. It is perceived that a suitable small initial axial velocity of e-beam procreates substantially high energy gain. According to transverse confinement of the electron beam in a Paul wiggler, there is no applied axial guide magnetic field in this devise.


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Inverse free electron laser and accelerating electrons with applied oscillatory voltages

July 20, 2015