An Axial Foilless Diode Guided by Composite Magnetic Field for the Production of Relativistic Electron Beams

Figure 8

The axial distribution of magnetic field in the diode. (a) Only 1 T solenoid coil. (b) 1 T solenoid coil and 1.4 T permanent magnet. (c) Composite magnetic field system with 1 T solenoid coil, 1.4 T permanent magnet, and soft magnet.