Refocusing Properties of Periodic Magnetic Fields |
Common terms and phrases
average angle Average beam angle average beam radius Axial field Axial space charge axis B₂ beam expansion beams from linear-beam Brillouin field Brillouin radius computed decrease o(a depressed collectors efficient collection electrons Electrostatic Collector equations of motion evaluates the refocusing Figure free expansion Hamiltonian Henry G initial conditions initial radius Klystron Kosmahl laminarity Lewis Research Center linear linear-beam microwave tubes linearly varying fields lobes locus of minimums magnet circuit magnetic field configuration magnetic flux magnetic potential magnitude NASA TN Normalized axial distance numerically parameters paraxial fields particle Performing Organization PERIODIC MAGNETIC FIELDS permanent magnet configurations radial kinetic refocusing procedure refocusing properties refocusing region region of constant RMS angular deviation Runge-Kutta second plateau slope Solenoid space charge forces space charge potential Spent Axisymmetric Beam spent beams Stankiewicz Statistical parameters transverse velocity components traveling wave tube unit Brillouin z-component of magnetic zero ән