Rofin Introduces High-Power Fibre Laser Series

Rofin-Sinar Laser has announced the FL series of high-power fibre lasers. The FL series offers two models; the FL x75 and FL 010, with output powers of 750 and 1,000W respectively. The series has high beam quality and can be coupled in fibre optics with diameters of 50um up to 600um. This is equivalent to beam qualities of 2.5 to 30mm x mrad. The Rofin FL 010 S offers a fibre laser option with single-mode beam quality of typically 0.4mm x mrad and 1,000W output power.

The Rofin FL series is suitable for a wide range of applications. Small parts can be welded with low thermal distortion and minimal heat-affected zones, and steel or aluminium can be joined with welding depths of several millimetres. The high beam quality allows the efficient use of 'dynamic beam' scanner systems, allowing 2D and 3D geometries to be processed.

Optional beam switch and energy share modules provide the greatest use of the beam source. A single laser can be used in up to four individual work cells. These features support increased cycle times and productivity while minimising capital equipment costs. FL lasers are easily integrated into new and existing production workcells. The lasers of the FL series are designed for low-maintenance operation and long-term performance.

Unlike other concepts, where the laser beam changes repeatedly between air and the laser active medium, the beam of a fibre laser does not leave the fibre optics before the 1 processing optics (single-mode) or the beam switch (multi-mode). This 'all-in-glass' technology reduces the risk of optical contamination and eliminates changes in beam quality. The FL series will be presented at the Laser fair in Munich from 15-18 June 2009.

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