Laser apparatus

Details Laser apparatus Laser apparatus

1997-02-24

1998-10-20

Healy, Brian

Coherent light generators

Particular resonant cavity

Specified cavity component

372 9, 372 19, 372 29, 372 92, 372107, 372108, 372109, 359846, 2191216, 21912161, H01S 308, G02B 508, B23K 2600

Patent

active

058258019

ABSTRACT:
The laser apparatus according to the present invention comprises an output mirror for reflecting a portion of a laser beam and transmitting therethrough a remaining thereof; a full reflection mirror located at a position opposite to this output mirror for completely reflecting a laser beam and changing the curvature; a laser medium provided between the output mirror and the full reflection mirror for causing induced emission; an aperture means for deciding a beam mode of a laser beam generated between the output mirror and the full reflection mirror and changing the aperture diameter; and a converging means for converging an outgoing laser beam from the output mirror and changing a distance from the output mirror according to a machining path; and the laser apparatus changes a curvature of the full reflection mirror and also changes a diameter of the aperture means.

REFERENCES:
patent: 4951285 (1990-08-01), Cole et al.
patent: 5058123 (1991-10-01), Yasui et al.
patent: 5060231 (1991-10-01), Hollins et al.
patent: 5091801 (1992-02-01), Ebstein
patent: 5260964 (1993-11-01), Morin et al.
patent: 5359616 (1994-10-01), Yasui et al.
patent: 5506858 (1996-04-01), Takenaka et al.
patent: 5699376 (1997-12-01), Richmond

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