High-power fiber lasers and amplifiers

Andreas Tuennermann; Sven Hoefer; Andreas Liem; Jens Limpert; Matthias Reich; Fabian Roeser; Thomas Schreiber; Holger Zellmer

doi:10.1117/12.580850

23 December 2004 High-power fiber lasers and amplifiers

Andreas Tuennermann, Sven Hoefer, Andreas Liem, Jens Limpert, Matthias Reich, Fabian Roeser, Thomas Schreiber, Holger Zellmer

Author Affiliations +

Proceedings Volume 5620, Solid State Laser Technologies and Femtosecond Phenomena; (2004) https://doi.org/10.1117/12.580850
Event: European Symposium on Optics and Photonics for Defence and Security, 2004, London, United Kingdom

Abstract

Experimental results based on rare-earth-doped fibers have impressively shown that fiber lasers and amplifiers are an attractive and power scalable solid-state laser concept. Based on ytterbium-doped large-mode-area double-clad fibers, in the continuous regime, output powers approaching the kW-range with diffraction limited beam quality have been shown. Average output powers in the order of 100 W have been demonstrated in the pulsed regime even for femtosecond fiber lasers. Further power scaling is limited by the end facets damage, thermo-optical problems or nonlinear effects. To overcome these restrictions microstructured fibers with several new preferable features can be used. In our contribution we will discuss power scaling of fiber lasers and amplifiers in the multi kW-range with excellent beam quality based on rare-earth-doped photonic crystal fibers.

Citation Download Citation

Andreas Tuennermann, Sven Hoefer, Andreas Liem, Jens Limpert, Matthias Reich, Fabian Roeser, Thomas Schreiber, and Holger Zellmer "High-power fiber lasers and amplifiers", Proc. SPIE 5620, Solid State Laser Technologies and Femtosecond Phenomena, (23 December 2004); https://doi.org/10.1117/12.580850

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