Magnetic system for gyrotrons forming a wavy magnetic field

Details Magnetic system for gyrotrons forming a wavy magnetic field Magnetic system for gyrotrons forming a wavy magnetic field

1996-12-04

1998-10-27

Pascal, Robert J.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

335306, H01J 2500

Patent

active

058281738

ABSTRACT:
In a magnetic system for gyrotrons, a permanent magnet arrangement is provided including a central radially polarized magnet, and axially polarized annular magnets disposed at opposite end faces of the central magnet and indirect contact therewith, the magnets are structured in the resonator area to provide a predetermined magnetic field which has its field reversal only in the axial extension of the gyrotron outside the emitter area where it does not affect the electron beam generated by the emitter.

REFERENCES:
patent: 3237059 (1966-02-01), Meyerer
patent: 3450930 (1969-06-01), Lien
patent: 4395655 (1983-07-01), Wurthman
patent: 4395656 (1983-07-01), Kosmahl
patent: 4605911 (1986-08-01), Jin
patent: 5576679 (1996-11-01), Ohashi et al.
A.N. Kuftin et al., "Theory of Helical Electron Beams in Gyrotrons", International Journal of Infrared and Millimeter Waves, bd. 14, Nr. 4, 1993, pp. 783-816.

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