Minimizing Energy Losses in a Plasma-Filled Wave-guide

Abstract

In this work we investigate the effect of a relativistic homogeneous electron beam on the field stability and minimizing the energy losses in waveguide filled homogeneously with plasma. Analytical calculations are performed to find the plasma dielectric tensor by applying the boundary conditions at the plasma-conductor interface. We derive the dispersion equations which describe the propagated E- and H-waves and their damping rate. The necessary condition for the field stability in the waveguide and the amplification coefficient for the E-wave are obtained. The effects of plasma warmness and an external static magnetic field are taken into consideration. Relativistic electron beam is found to play a crucial role in controlling the field attenuation in waveguide.