Infrared CO.sub.2 laser with a blue-green aiming beam

Details Infrared CO.sub.2 laser with a blue-green aiming beam Infrared CO.sub.2 laser with a blue-green aiming beam

1994-06-08

1995-05-30

Scott, Jr., Leon

Coherent light generators

Particular resonant cavity

Specified output coupling device

372 98, 372 99, 372107, H01S 308

Patent

active

054208823

ABSTRACT:
An apparatus confocally delivers to an object an infrared CO.sub.2 laser beam and a highly visible (e.g., blue-green) aiming beam. The beams from the two lasers are coaxially superimposed by means of a plate which transmits visible light and reflects infrared light. The resulting two coaxial beams are then guided to the object by means of reflective surfaces. Reflective beam guidance provides coincident focus of the infrared and aiming beams with unprecedented precision and also permits the combination of an infrared beam with a highly visible aiming beam.

REFERENCES:
patent: 4922501 (1990-05-01), Wolgast
patent: 4969156 (1990-11-01), Schiller et al.
patent: 5317589 (1994-05-01), Ogawa et al.

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