Apparatus for manipulating laser beams, particularly power laser

Details Apparatus for manipulating laser beams, particularly power laser Apparatus for manipulating laser beams, particularly power laser

1990-04-30

1991-10-22

Arnold, Bruce Y.

Optical: systems and elements

Mirror

Plural mirrors or reflecting surfaces

359862, 359863, 359225, G02B 510

Patent

active

050589679

ABSTRACT:
In an apparatus for manipulating laser beams with mirrors, the beam is caused to emerge substantially in alignment with the initial direction of the incoming beam by deflecting the incoming beam with a first mirror whose position is selectively adjustable to a second mirror which preferably has a parabolic surface, and then from the second mirror the beam is directed to a third, flat mirror whose position is also adjustable so that the beam is focussed on the region to be treated in a position substantially in alignment with the initial direction of propagation. An improved system for supplying screening gas to the region under treatment is also disclosed.

REFERENCES:
patent: 3769608 (1973-10-01), Vargady
patent: 3985420 (1976-10-01), Grose
patent: 3993402 (1976-11-01), Fredrick, Jr.
patent: 4367017 (1983-01-01), Jimbou et al.
patent: 4547041 (1985-10-01), Grosser
patent: 4806728 (1989-02-01), Salzer et al.

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