Discrete monotron oscillator having one-half wavelength coaxial

Details Discrete monotron oscillator having one-half wavelength coaxial Discrete monotron oscillator having one-half wavelength coaxial

1995-12-08

1998-02-03

Lee, Benny T.

Oscillators

Beam tube

With electron bunching or velocity variation means

331 97, 331101, 331103, 315 5, 315 551, H03B 901, H01J 2506

Patent

active

057149135

ABSTRACT:
A discrete monotron oscillator for use in a high power microwave device is formed with a microwave oscillator having a half-wavelength resonant coaxial microwave cavity operating in fundamental TEM mode for microwave oscillation with an inner conductor defining a drift tube for propagating an electron beam and an outer conductor coaxial with the inner conductor. The inner conductor defines a modulating gap and an extraction gap downstream of the modulating gap. The modulating gap and the extraction gap connect the coaxial microwave cavity with the drift tube so that energy for the microwave oscillation is extracted from the electron beam at the extraction gap and modulates the electron beam at the modulating gap. For high power operation, an annular electron beam is used.

REFERENCES:
patent: 2263648 (1941-11-01), Salzberg
patent: 2405612 (1946-08-01), Schelkunoff
patent: 2408409 (1946-10-01), Bowen
patent: 2425352 (1947-08-01), Sloss
patent: 4398121 (1983-08-01), Chodorow et al.
patent: 4531103 (1985-07-01), Evans et al.
patent: 4825441 (1989-04-01), Marshall et al.
Jess Marcum, "Contributed Original Research," J. of Appl. Phys. 17, pp. 4-11 (Jan. 1946).
M. Friedman et al., "Self-Modulation Of An Intense Relativistic Electron Beam," J. Appl. Phys. 56 (9), pp., 2459-2474 (Nov. 1984).
Thomas J. T. Kwan et al., "Electron-Beam-Breakup Transit-Time Oscillator," 24 Am. Phys. Soc. vol. 66, pp. 3221-3224 (Jun. 1991).
Barry M. Marder et al., "The Split-Cavity Oscillator: A High-Power E-Beam Modulator And Microwave Source," 3 IEEE Trans. Plasma Phys. vol. 2, pp. 312-331 (Jun. 1992).

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