Beam splitting system for a welding laser

Details Beam splitting system for a welding laser Beam splitting system for a welding laser

1976-11-29

1978-04-11

Evans, F. L.

Electric heating

Microwave heating

Tunnel furnace

219121L, G05D 2500

Patent

active

040836290

ABSTRACT:
A beam splitting system for use with a welding laser and having means for distributively directing an incoming welding beam along a pair of output optical paths is disclosed whereby a single welding laser may weld either sequentially or simultaneously at a pair of spatially-separated weld sites. For sequential welding, a bimodal beam switch is provided for alternatively switching the weld beam between a pair of alternate optical paths. For simultaneously welding, the bimodal beam switch is replaced by a dielectric beam splitter which divides the beam into transmitted and reflected beams simultaneously propagated along the pair of output optical paths.

REFERENCES:
patent: 3463898 (1969-08-01), Takaoka et al.
patent: 3534462 (1970-10-01), Cruickshank et al.
patent: 3622740 (1971-11-01), Ravussin et al.
patent: 3851974 (1974-12-01), Ravussin et al.
patent: 3993402 (1976-11-01), Fredrick, Jr.
Murray, Western Electric Technical Digest, No. 15, July 1969, pp. 33 and 34.

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