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Analytical expressions for the longitudinal and radial components of the magnetic induction in the reverse magnetic system cell with two ring inserts in case of inner diameter of ring inserts greater than the diameter of the drift tube have been found with the magnetostatic potential approximation. The electron optics calculations of the klystron with magnetic focusing system containing high harmonic...
The paper discusses the possibility of forming electron beam in a field emission cells with high (∼ 1000) ratio of the tips' height of the glassy carbon to their radius of curvature. The possibility of creating such a field emission cell, protected by ions, without beam loss on the grid and on the anode is shown. A comparison of the characteristics between considered cells and Grigoriev-Shesterkin...
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