JPH032663U

JPH032663U -

Info

Publication number: JPH032663U
Application number: JP6348189U
Authority: JP
Priority date: 1989-05-31
Filing date: 1989-05-31
Publication date: 1991-01-11

Description

[Brief explanation of drawings]

第１図は本考案の一実施例にかかるムービング
スラブレーザ装置の特徴部を示す斜視図、第２図
は従来のムービングスラブレーザ装置の構成を示
す斜視図、第３図は第１図における−線断面
図、第４図は第３図の−線断面図、第５図は
第３図の一部拡大図、第６図は第１図の−線
断面図、第７図は一実施例の全体構成を示す斜視
図、第８図は第７図における−線断面図、第
９図は一実施例の温度分布曲線を示すグラフ、第
１０図は比較例の概略構成図、第１１図は比較例
の温度分布曲線を示すグラフである。１……スラブ型レーザ媒体、２……励起光源、
３……冷却板、５……励起領域、３０ａ……Ｈｅ
ガス流通路、３０ｂ……Ｈｅガス噴出孔、３０ｄ
……冷却水流通路。 FIG. 1 is a perspective view showing the characteristic parts of a moving slab laser device according to an embodiment of the present invention, FIG. 2 is a perspective view showing the configuration of a conventional moving slab laser device, and FIG. 4 is a sectional view taken along the - line in FIG. 3, FIG. 5 is a partially enlarged view of FIG. 3, FIG. 6 is a sectional view taken along the - line in FIG. 1, and FIG. 7 is an example. FIG. 8 is a cross-sectional view taken along the - line in FIG. 7, FIG. 9 is a graph showing the temperature distribution curve of one example, FIG. 10 is a schematic configuration diagram of a comparative example, and FIG. 11 is a graph showing a temperature distribution curve of a comparative example. 1... Slab type laser medium, 2... Excitation light source,
3...Cooling plate, 5...Excitation region, 30a...He
Gas flow passage, 30b...He gas ejection hole, 30d
...Cooling water flow path.

Claims

[Claims for Utility Model Registration] A plate-shaped slab-type laser medium having a width wider than the width of the excitation light irradiation area is moved back and forth between cooling means arranged so that the cooling surfaces thereof face each other. In a moving slab laser device that performs laser oscillation while changing the irradiation position of the excitation light on the laser medium by irradiating a part of the laser medium with excitation light, the slab type laser of the cooling means A moving slab laser device characterized in that a plurality of gas ejection holes are provided on a surface facing the medium, and the gas ejection holes are arranged on a curve intersecting the moving direction of the slab type laser medium.