Laser device capable of making a temperature distribution unifor

Details Laser device capable of making a temperature distribution unifor Laser device capable of making a temperature distribution unifor

1989-06-29

1991-07-23

Scott, Jr., Leon

Coherent light generators

Particular temperature control

372 33, 372 66, 372 92, H01S 304

Patent

active

050349538

ABSTRACT:
In a laser device for producing a laser beam along a first predetermined direction by exciting a slab-shaped laser medium by an excitation member, a reciprocating motion is carried out along a second predetermined direction transverse to the first predetermined direction and is divided into a plurality of cycles which have different amplitudes. Both edge zones of the slab-shaped laser medium are excited and heated by the excitation member during a selected one of the cycles while they are not excited during the remaining cycles. Thus, heat accumulated in the edge zones is diffused and dissipated by intermittently heating the edge zones. The slab-shaped laser medium may be reciprocated relative to the excitation member. Alternatively, the excitation member may be reciprocated relative to the slab-shaped laser medium.

REFERENCES:
patent: 4555786 (1985-11-01), Byer
patent: 4789988 (1988-12-01), Trost
patent: 4833682 (1989-05-01), Byer et al.

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