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Proceedings Paper

Fiber-laser power scaling beyond the 1-kilowatt level by Nd:Yb co-doping
Author(s): Volker Reichel; Klaus W. Moerl; Sonja Unger; Sylvia Jetschke; Hans-Rainer Mueller; Johannes Kirchhof; Thomas Sandrock; Alexander Harschack; Andreas Liem; Jens Limpert; Holger Zellmer; Andreas Tuennermann
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Paper Abstract

A new type of multi-clad rare-earth doped silica fiber was designed, prepared and tested for the power scaling of high power fiber lasers in the 1 .1 tm wavelength region. By means of a dedicated laboratory setup a maximum output power of more than 1 .300 watts with excellent spectral and beam behavior was achieved. The fundamental investigation of the energy transfer processes and of the fluorescence lifetimes of different Nd:Yb co-doped has been studied. Such fiber-lasers were tested in the laboratory at several materials (plastics, metals, glass) in the fields of material processing and micro-marking, respectively.

Paper Details

Date Published: 23 March 2005
PDF: 4 pages
Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); doi: 10.1117/12.611066
Show Author Affiliations
Volker Reichel, Institute for Physical High Technology Jena (Germany)
Klaus W. Moerl, Institute for Physical High Technology Jena (Germany)
Sonja Unger, Institute for Physical High Technology Jena (Germany)
Sylvia Jetschke, Institute for Physical High Technology Jena (Germany)
Hans-Rainer Mueller, Institute for Physical High Technology Jena (Germany)
Johannes Kirchhof, Institute for Physical High Technology Jena (Germany)
Thomas Sandrock, CeramOptec GmbH (Germany)
Alexander Harschack, CeramOptec GmbH (Germany)
Andreas Liem, Friedrich-Schiller-Univ. Jena (Germany)
Jens Limpert, Friedrich-Schiller-Univ. Jena (Germany)
Holger Zellmer, Friedrich-Schiller-Univ. Jena (Germany)
Andreas Tuennermann, Friedrich-Schiller-Univ. Jena (Germany)


Published in SPIE Proceedings Vol. 5777:
XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Jarmila Kodymova, Editor(s)

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