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Proceedings Paper

High-power disk and fiber lasers: a performance comparison
Author(s): Stefan Ruppik; Frank Becker; Frank-Peter Grundmann; Wolfram Rath; Ulrich Hefter
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Paper Abstract

The Performance of High Power Disk Lasers and Fiber Lasers along with their rapid development to the high power cw regime have been of great interest throughout the last decade. Both technologies are still in the focus of several conferences, workshops, and papers and represent the "state-of-the-art" of industrial high power solid state lasers for material processing. As both laser concepts are considered to be the leading 1 μm light-source, this presentation presents an objective and fair comparison of the two different technologies from a manufacturer who pursued both. From the geometry of the active material, through the resonator design, cooling regime, and pumping method to the point of beam quality and power scaling, the different approaches associated with the advantages, challenge and limits of each technology will be discussed. Based on ROFIN's substantial industrial experience with both laser concepts, an outlook into future trends and chances, especially linked to fiber laser, will be given.

Paper Details

Date Published: 15 February 2012
PDF: 15 pages
Proc. SPIE 8235, Solid State Lasers XXI: Technology and Devices, 82350V (15 February 2012); doi: 10.1117/12.913286
Show Author Affiliations
Stefan Ruppik, ROFIN-SINAR Laser GmbH (Germany)
Frank Becker, ROFIN-SINAR Laser GmbH (Germany)
Frank-Peter Grundmann, ROFIN-SINAR Laser GmbH (Germany)
Wolfram Rath, ROFIN-SINAR Laser GmbH (Germany)
Ulrich Hefter, ROFIN-SINAR Laser GmbH (Germany)


Published in SPIE Proceedings Vol. 8235:
Solid State Lasers XXI: Technology and Devices
W. Andrew Clarkson; Ramesh K. Shori, Editor(s)

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