Fiber-laser power scaling beyond the 1-kilowatt level by Nd:Yb co-doping

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

doi:10.1117/12.611066

23 March 2005 Fiber-laser power scaling beyond the 1-kilowatt level by Nd:Yb co-doping

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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Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611066
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

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.

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Volker Reichel, Klaus W. Moerl, Sonja Unger, Sylvia Jetschke, Hans-Rainer Mueller, Johannes Kirchhof, Thomas Sandrock, Alexander Harschack, Andreas Liem, Jens Limpert, Holger Zellmer, and Andreas Tuennermann "Fiber-laser power scaling beyond the 1-kilowatt level by Nd:Yb co-doping", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611066

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