Effect of the magnetic field of current branching-off systems on an electron beam motion

The beam forming with necessary parameters is one of the most important problems at electron beams applying in the technologic aims (the material processing) and electromagnetic radiation generation. The essential effect on this process can have the magnetic field of the branching-off systems suchlike a collector or an anode-grid (systems with a virtual cathode). In this paper the results of theoretical investigations of influence magnetic field of current branching-off systems on electron flow movement are represented. Investigation was carry our on example of two most typical devices: triode with virtual cathode, where current branching-off system is grid anode, and gas-filled systems of electron beam transporting to current-conducting target with shunt.