Solid-state laser device and machining apparatus

Details Solid-state laser device and machining apparatus Solid-state laser device and machining apparatus

1991-12-19

1993-08-10

Healy, Brian

Coherent light generators

Particular beam control device

Having particular beam control circuit component

372 39, 372 40, 372 70, 372 92, 372 98, 372109, H01S 313

Patent

active

052356078

ABSTRACT:
According to the present invention there are provided a solid-state laser device using a laser rod not smaller than 180 mm in length as a laser medium, thereby capable of providing a high output power, facilitating maintenance and inspection, and permitting the reduction of size and simplification in comparison with a conventional laser device using plural laser rods, as well as a machining apparatus using the said laser device as a machining energy source, and a solid-state laser device wherein a laser medium is held in a free state within a resonator so that a longitudinal direction of the laser medium is coincident with an optical axis direction of laser beam and so that the laser medium is capable of expansion or contraction in the said optical axis direction, thereby preventing the breakage of the laser medium and the deviation of the optical axis of laser beam.

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