Microwave accelerator E-beam pumped laser

Details Microwave accelerator E-beam pumped laser Microwave accelerator E-beam pumped laser

1977-09-12

1980-03-11

Larkins, William D.

Oscillators

Molecular or particle resonant type

331 945E, 331 945D, H01S 309

Patent

active

041930436

ABSTRACT:
A device and method for pumping gaseous lasers by means of a microwave accelerator. The microwave accelerator produces a relativistic electron beam which is applied along the longitudinal axis of the laser through an electron beam window. The incident points of the electron beam on the electron beam window are varied by deflection coils to enhance the cooling characteristics of the foil. A thyratron is used to reliably modulate the microwave accelerator to produce electron beam pulses which excite the laser medium to produce laser pulse repetition frequencies not previously obtainable. An aerodynamic window is also disclosed which eliminates foil heating problems, as well as a magnetic bottle for reducing laser cavity length and pressures while maintaining efficient energy deposition.

REFERENCES:
patent: 3958189 (1976-05-01), Sprangle et al.
patent: 3983508 (1976-09-01), Bradley et al.
patent: 4047125 (1977-09-01), Dreyfus
Hoffman, Appl. Phys. Letters, vol. 28, No. 9, May 1, 1976, pp. 538-539.
Semat, Intro. to Atomic and Nuclear Physics, 4th Ed., 1962 (Holt, Reinhart, N.Y.) pp. 568-569.

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