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Discrete monotron oscillator having one-half wavelength coaxial resonator with one-quarter wavelength gap spacing

Patent ·
OSTI ID:570425

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. 8 figs.

Research Organization:
University of California
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
W-7405-ENG-36
Assignee:
Univ. of California, Oakland, CA (United States)
Patent Number(s):
US 5,714,913/A/
Application Number:
PAN: 8-569,628
OSTI ID:
570425
Country of Publication:
United States
Language:
English

References (3)

Self‐modulation of an intense relativistic electron beam journal November 1984
The split-cavity oscillator: a high-power E-beam modulator and microwave source journal June 1992
Electron-beam-breakup transit-time oscillator journal June 1991

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