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Proceedings Paper

High-power CO2-lasers above 10 kW
Author(s): Christoph Hertzler; Reinhard Wollermann-Windgasse
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Paper Abstract

On our way to industrial high power lasers up to 40 kW, we have successfully realized the first step, i.e., the development of an extremely compact 12 kW CO2 laser with a very high beam quality. The laser is capable of high frequency pulsing up to 100 kHz with consistent mode quality over the full power range from 5 - 100%. Detailed beam quality analysis is presented. In its 10 kW version, this laser has a beam quality better than K equals 0.35. This unmatched focusability permits high quality deep penetration welding and ultra high power cutting applications. Current work concentrates on a completely new 20 - 30 kW laser, which should show similar characteristics as the 12 kW laser with regard to spatial and temporal beam quality. Furthermore, with the foot-print of the laser head being only 4.5 m2, this system is significantly smaller than those that are currently available, which is a prime consideration for expanded industrial use.

Paper Details

Date Published: 16 August 1994
PDF: 9 pages
Proc. SPIE 2206, High-Power Gas and Solid State Lasers, (16 August 1994); doi: 10.1117/12.184579
Show Author Affiliations
Christoph Hertzler, TRUMPF (Germany)
Reinhard Wollermann-Windgasse, TRUMPF (Germany)

Published in SPIE Proceedings Vol. 2206:
High-Power Gas and Solid State Lasers
Markus Bohrer; Tommaso Letardi; Dieter Schuoecker; Horst Weber, Editor(s)

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