Dielectric-wall linear accelerator with a high voltage fast rise

Details Dielectric-wall linear accelerator with a high voltage fast rise Dielectric-wall linear accelerator with a high voltage fast rise

1996-06-25

1998-10-13

O'Shea, Sandra L.

Electric lamp and discharge devices: systems

High energy particle accelerator tube

With injection or extraction means

315505, H01J 2300, H05H 700

Patent

active

058217053

ABSTRACT:
A dielectric-wall linear accelerator is improved by a high-voltage, fast rise-time switch that includes a pair of electrodes between which are laminated alternating layers of isolated conductors and insulators. A high voltage is placed between the electrodes sufficient to stress the voltage breakdown of the insulator on command. A light trigger, such as a laser, is focused along at least one line along the edge surface of the laminated alternating layers of isolated conductors and insulators extending between the electrodes. The laser is energized to initiate a surface breakdown by a fluence of photons, thus causing the electrical switch to close very promptly. Such insulators and lasers are incorporated in a dielectric wall linear accelerator with Blumlein modules, and phasing is controlled by adjusting the length of fiber optic cables that carry the laser light to the insulator surface.

REFERENCES:
patent: 5249095 (1993-09-01), Hunter
George J. Caporaso, "Induction Linacs and Pulsed Power" UCRL-JC-119066, Lawrence Livermore National Laboratory, Livermore, CA 94551, Jul. 11, 1995.
J.M. Elizondo and A.E. Rodriguez, "Novel High Voltage Vacuum Surface Flashover Insulator Technology," XVth International Symposium on Discharges and Electrical Insulation in Vacuum, Darmstadt, Germany, 1992.

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