Barnetron microwave amplifiers and oscillators

Details Barnetron microwave amplifiers and oscillators Barnetron microwave amplifiers and oscillators

1981-03-20

1983-12-20

Moskowitz, Nelson

Amplifiers

Parametric amplifiers

Semiconductor type

313 62, 331 941, H01S 100, H01J 2316

Patent

active

044220456

ABSTRACT:
A cyclotron maser microwave amplifier and oscillator which utilizes non-relativistic electrons in cyclotron motion and a spatially nonlinear electrostatic field which is produced by the space charge of the electrons. The term "spatially nonlinear electrostatic field" encompasses static electric fields whose magnitude can be described mathematically as varying in a nonlinear manner as a function of position in one or more directions. As taught by U.S. Pat. No. 4,253,068 of Feb. 24, 1981, "Cyclotron Maser Using a Spatially Nonlinear Electrostatic Field", completely non-relativistic electrons may be used in principle for which phase bunching will occur due to the nonlinear motions induced by the electrostatic field, resulting in stimulated emission of cyclotron radiation for use in a microwave amplifier or oscillator. U.S. Pat. No. 4,253,068 teaches that appropriate nonlinear electrostatic fields can be established by suitably shaped electrodes and a low charge density electron beam. The present application teaches that appropriate nonlinear electrostatic fields can be produced by the self fields of the space charge of the electron beam. Resulting amplifiers and oscillators are here named barnetron amplifiers and oscillators.
An electron gun which produces an annular electron beam with components of velocity perpendicular and parallel to an axial magnetic field.

REFERENCES:
patent: 3883761 (1975-05-01), Hendry
patent: 4224576 (1980-09-01), Grovatstien et al.
patent: 4253068 (1981-02-01), Barnett
Chu, "Theory of Electron Cyclotron . . . Harmonic Frequencies", 12/78, pp. 2354 to 2365, Phys. Fluids, vol. 21, #12.
Barnett, "Cyclotron Maser Instability in a Nonlinear Electrostatic Field", 1978, pp. 1-98, University of Tennessee, Ph.D. #7823306.
Sprangle et al., "The Non-Linear Theory . . . Electron Cyclotron Maser", 4/18/79, pp. 1-23, and especially p. 21, NRL Memorandum 3982, NTFS A069461.

Affiliated with

Also associated with

Rating

Barnetron microwave amplifiers and oscillators does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Barnetron microwave amplifiers and oscillators, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Barnetron microwave amplifiers and oscillators will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-109925