Electromagnetic wave amplifiers and generators

Details Electromagnetic wave amplifiers and generators Electromagnetic wave amplifiers and generators

1981-11-20

1988-07-05

Moskowitz, Nelson

Amplifiers

Parametric amplifiers

Semiconductor type

372 85, 372 2, H01S 300, H01J 724

Patent

active

047557648

ABSTRACT:
In a method and apparatus for amplifying and/or generating electromagnetic wave radiation, a gas plasma region having a non-Maxwellian electron distribution is produced by effecting collisions between scattering particles in the gas with free electrons which have been accelerated to an energy level which is greater than that providing maximum probability of collision of the electrons with scattering particles in said gas; and the electromagnetic wave radiation is subjected to the plasma region such as to produce amplification of the radiation by stimulated emission of Bremstrahlung from scattered free electrons in the plasma region.

REFERENCES:
patent: 3177435 (1965-04-01), Marcuse
patent: 3831052 (1974-08-01), Knechtli
patent: 4193042 (1980-03-01), Wang
patent: 4205278 (1980-05-01), George et al.
patent: 4287487 (1981-09-01), Kuwabara et al.
patent: 4323857 (1982-04-01), Brau et al.
patent: 4367551 (1983-01-01), Gover
Gover, "Collection and Single Electron . . . Lasers", 6/78, Appl. Phys., (Germany), vol. 16, #2, pp. 121-138.
Opher et al., "The Effect of . . . Radiation", 6/78, pp. 701-702, Appl. Phys. Lett., vol. 32, #11.

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