Methods for Slow Axis Beam Quality Improvements Leading to High Brightness Multi-kW Direct Diode Laser Systems

2014 ◽  
Author(s):  
Haiyan An ◽  
Yihan Xiong ◽  
Ching-Long Jiang ◽  
Berthold Schmidt ◽  
Georg Treusch
Keyword(s):  
Diode Laser ◽  
Beam Quality ◽  
Quality Improvements ◽  
High Brightness ◽  
Slow Axis ◽  
Laser Systems

High brightness diode laser systems as direct cutting tools

2014 ◽  
Author(s):  
H. Wahab ◽  
J. Gröninger ◽  
K. Dickmann ◽  
P. Bruns ◽  
M. Voß ◽  
...  
Keyword(s):  
Diode Laser ◽  
Cutting Tools ◽  
High Brightness ◽  
Laser Systems ◽  
Direct Cutting

Dense spatial multiplexing enables high brightness multi-kW diode laser systems

2006 ◽  
Author(s):  
Holger Schlüter ◽  
Christoph Tillkorn ◽  
Ulrich Bonna ◽  
Greg Charache ◽  
John Hostetler ◽  
...  
Keyword(s):  
Diode Laser ◽  
Spatial Multiplexing ◽  
High Brightness ◽  
Laser Systems

Energy Efficient Laser Beam Welding of Metals with a Ultra-High Brightness Direct-Diode Laser System

2015 ◽  
Vol 805 ◽  
pp. 162-170 ◽  
Author(s):  
Artur Laukart ◽  
Michael Dobler ◽  
Stefanie Kohl ◽  
Haro Fritsche ◽  
Andreas Grohe ◽  
...  
Keyword(s):  
Power Consumption ◽  
Laser Beam ◽  
Numerical Simulations ◽  
Diode Laser ◽  
Laser Beam Welding ◽  
Laser Wavelength ◽  
Efficient Production ◽  
High Brightness ◽  
Laser Systems ◽  
Conventional Laser

The rising level of automation in the automotive industry also involves the use of more and more machines and with that an increase in power consumption. This requires the employment of more efficient production processes with higher efficiency. Laser beam welding offers the opportunity to substitute conventional laser sources like solid state lasers with ultra-high brightness direct-diode laser systems which have the advantage of less power consumption at a comparable beam quality. However, the absorption of laser radiation on metallic surfaces depends on the wavelength, thus the effect of the direct-diode laser wavelength on the welding process has to be investigated. In our research the effect of the laser wavelength on energy efficiency was studied by means of numerical simulations. Furthermore, experimental investigations were carried out to validate the numerical solutions. Different aluminum alloys and steel materials which are used in the automotive environment were investigated within the experiments. Due to the current lack of direct-diode laser systems with a laser power comparable to conventional laser systems, numerical simulations were also used to analyze these future systems. Thus we were able to assess the increase of efficiency in laser beam welding which will be achievable with future high-power direct-diode laser systems.

Power scalable diode laser systems with high brightness

2005 ◽  
Author(s):  
M. Schubert ◽  
L. Bartelt-Berger ◽  
U. Brauch ◽  
H. Opower ◽  
C. Fleig ◽  
...  
Keyword(s):  
Diode Laser ◽  
High Brightness ◽  
Laser Systems

High-brightness fiber coupled diode laser systems

2007 ◽  
Author(s):  
S. D. Roh ◽  
D. M. Grasso ◽  
N. P. Ostrom
Keyword(s):  
Diode Laser ◽  
High Brightness ◽  
Laser Systems

Fibre-coupled air-cooled high-power diode laser systems

2008 ◽  
Author(s):  
Daniel Bartoschewski ◽  
Jens Meinschien ◽  
Udo Fornahl
Keyword(s):  
Diode Laser ◽  
High Power ◽  
Laser Systems ◽  
Power Diode ◽  
High Power Diode Laser

Diode laser systems for 1.8- to 2.3-μm wavelength range

2010 ◽  
Author(s):  
Márc T. Kelemen ◽  
Jürgen Gilly ◽  
Rudolf Moritz ◽  
Jeanette Schleife ◽  
Mathias Fatscher ◽  
...  
Keyword(s):  
Diode Laser ◽  
Wavelength Range ◽  
Laser Systems

Experimental Investigation of Limits to Slow Axis Beam Quality in High Power Broad Area Diode Lasers

2014 ◽  
Author(s):  
M. Winterfeldt ◽  
P. Crump ◽  
H. Wenzel ◽  
G. Erbert ◽  
G. Trankle
Keyword(s):  
Experimental Investigation ◽  
High Power ◽  
Beam Quality ◽  
Diode Lasers ◽  
Broad Area ◽  
Slow Axis
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