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Control of workpiece reflections for improved welding with high power fibre lasers

: Beyer, E.; Brenner, B.; Morgenthal, L.; Pfohl, P.; Herwig, P.

The Laser User 48 (2007), Autumn, S.41-43
ISSN: 1755-5140
Fraunhofer IWS ()

The large scale industrial production of diode lasers has led to a dramatic redu ction in cost. Major beneficiaries of this cost reduction are solid state lasers , including fibre and disc lasers, where laser diodes are used increasingly as t he optical pumping source; and this in turn is driving new and improved material s processing applications. An important example of these improvements is in weld ing, where fibre lasers (with their outstanding beam quality) and associated sca nner technology are now able to strongly compete with electron beams.