Comparative Welding Performance Of A 2 Kw Pulsed Yag Laser

C. L. M. Ireland; G. Burrows; A. P. Hoult

doi:10.1117/12.961575

26 October 1989 Comparative Welding Performance Of A 2 Kw Pulsed Yag Laser

C. L. M. Ireland, G. Burrows, A. P. Hoult

Proceedings Volume 1132, High Power Lasers and Laser Machining Technology; (1989) https://doi.org/10.1117/12.961575
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

As part of the Eureka Eurolaser initiative, Lumonics built two experimental high power pulsed YAG lasers in 1987/8 which were used for supra-kilowatt processing studies. These two lasers were capable of 1.35 and 2.3 kW average power and 20 kW and 35 kW peak power, respectively. The high intensity beams from these experimental lasers have demonstrated novel processing performance. The characteristics when welding thick section material have been particularly interesting - penetration to 25 mm has been achieved. This paper reviews the work in this area and compares the results obtained by Lumonics with these lasers welding stainless steel with that reported for other power beam sources at high power. These include; continuous wave CO2 and YAG lasers and e-beam sources. It is shown that processing with a pulsed YAG laser beam provides a number of key advantages over the other power types.

Citation Download Citation

C. L. M. Ireland, G. Burrows, and A. P. Hoult "Comparative Welding Performance Of A 2 Kw Pulsed Yag Laser", Proc. SPIE 1132, High Power Lasers and Laser Machining Technology, (26 October 1989); https://doi.org/10.1117/12.961575

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