Method and device for stand-off laser drilling and cutting

Details Method and device for stand-off laser drilling and cutting Method and device for stand-off laser drilling and cutting

1988-10-07

1989-09-26

Albritton, C. L.

Electric heating

Metal heating

By arc

21912167, 21912165, 21912161, B23K 2600

Patent

active

048702447

ABSTRACT:
A device for perforating material and a method of stand-off drilling using a laser. In its basic form a free-running laser beam creates a melt on the target and then a Q-switched short duration pulse is used to remove the material through the creation of a laser detonation wave. The advantage is a drilling/cutting method capable of working a target at lengthy stand-off distance. The device may employ 2 lasers or a single one operated in a free-running/Q-switched dual mode.

REFERENCES:
patent: 3577174 (1971-05-01), Longsderff
patent: 4220842 (1980-09-01), Sturmer et al.
patent: 4380946 (1983-04-01), Dyson
patent: 4458134 (1984-07-01), Ogle
patent: 4564736 (1986-01-01), Jones et al.
patent: 4573465 (1986-03-01), Sugiyama et al.
patent: 4738503 (1988-04-01), Desurvire et al.
patent: 4789770 (1988-12-01), Kasner et al.

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