Review of the performances of industrial 1.5-kW and 3-kW CO2 lasers, mobile on gantry or 2-D machines

Philippe Aubert; Rasmus Beck

doi:10.1117/12.46884

1 October 1991 Review of the performances of industrial 1.5-kW and 3-kW CO₂ lasers, mobile on gantry or 2-D machines

Philippe Aubert, Rasmus Beck

Proceedings Volume 1502, Industrial and Scientific Uses of High-Power Lasers; (1991) https://doi.org/10.1117/12.46884
Event: ECO4 (The Hague '91), 1991, The Hague, Netherlands

Abstract

The development of a new modular CO2-laser with integrated gas-flow system and rf excitation has been successfully completed with models of 600 W, 1 kW, and 1.5 kW going into production now. Furthermore, a prototype model of a scaled-up version of this laser has been developed. The output power is 3 kW with a highly uniform and stable distribution of the power over the 32-mm-(Phi) output aperture. The radially symmetric gain distribution is due to the excitation system which employs two transverse double-helical electrodes on the outside of each discharge tube. The 3-kW laser uses a total of 6 discharge sections (L equals 300 mm, (Phi) equals 35 mm), each of which has its own gas-cooling system and rf generator. This modular approach makes it possible to easily add more discharge units in order to increase the output-power capability. The rf generators are mounted in the direct vicinity of the discharge sections. This fact together with the very compact gas-flow system permits the separation of the laser-head from the auxiliary equipment, such as power-transformer, gas-handling, micro- processor-control. The weight of the laser-head is low enough to allow for the mounting on moving machine parts, e.g., the bridge of a gantry machine with a large cutting area.

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Philippe Aubert and Rasmus Beck "Review of the performances of industrial 1.5-kW and 3-kW CO₂ lasers, mobile on gantry or 2-D machines", Proc. SPIE 1502, Industrial and Scientific Uses of High-Power Lasers, (1 October 1991); https://doi.org/10.1117/12.46884

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KEYWORDS

Laser cutting

Head

Resonators

Laser development

Carbon dioxide lasers

Electrodes

Laser resonators

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