Optically initiated detonator

Details Optically initiated detonator Optically initiated detonator

1991-07-15

1993-01-12

Johnson, Stephen M.

Ammunition and explosives

Igniting devices and systems

Laser or light initiated

F42C 1908

Patent

active

051792478

ABSTRACT:
Apparatus with direct initiation of a confined secondary explosive by energy delivered by a fiber optic from a laser source is achieved in a generally cup-shaped housing into which the fiber optic end extends a distance sufficient to penetrate the secondary explosive containing chamber by a significant amount. The chamber is constructed so as to provide minimum "heat sinking" or heat energy drain into the conducting materials of the chamber thereby to materially reduce the required input energy for initiation to the secondary explosive.

REFERENCES:
patent: 3258910 (1966-07-01), Seymour
patent: 3362329 (1968-01-01), Epstein
patent: 3408937 (1968-11-01), Lewis et al.
patent: 3911822 (1975-10-01), Boling
patent: 4343242 (1982-08-01), Welk
patent: 4892037 (1990-01-01), Betts

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