Laser machining apparatus

Details Laser machining apparatus Laser machining apparatus

1988-07-20

1990-06-26

Albritton, C. L.

Electric heating

Metal heating

By arc

21912167, 21912175, 21912185, 372 95, B23K 7600

Patent

active

049374249

ABSTRACT:
A laser machining apparatus includes a laser resonator capable of producing a laser beam having a filled-in intensity distribution pattern and a condensing device for converting the beam into a suitable beam to perform an intended machining. A device is provided for regulating phase of the laser beam to improve the condensed laser beam. The apparatus may also include a device for pulsating the beam and a device for changing a focal depth of the beam.

REFERENCES:
patent: 3586816 (1971-06-01), Hagen
patent: 3981230 (1976-09-01), Lee
patent: 4287482 (1981-09-01), Wert
patent: 4327129 (1982-04-01), Sepp
patent: 4336435 (1982-06-01), Sasnetti et al.
patent: 4358659 (1982-11-01), Spahnheimer
patent: 4553244 (1985-11-01), Benedict et al.

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