High-power fiber lasers and amplifiers: perspectives and limitations

Matthias Reich; Andreas Liem; Holger Zellmer; Andreas Tuennermann

doi:10.1117/12.611064

23 March 2005 High-power fiber lasers and amplifiers: perspectives and limitations

Matthias Reich, Andreas Liem, Holger Zellmer, Andreas Tuennermann

Proceedings Volume 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers; (2005) https://doi.org/10.1117/12.611064
Event: XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 2004, Prague, Czech Republic

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 (LMA) 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 even for nanosecond fiber amplifiers have been demonstrated in the pulsed regime. Further power scaling is limited by nonlinear effects, thermo -optical problems or amplified spontaneous emission. In our contribution we discuss power scaling of fiber lasers and amplifiers in the multi kW-range with excellent beam quality based on rare-earth-doped fibers.

Citation Download Citation

Matthias Reich, Andreas Liem, Holger Zellmer, and Andreas Tuennermann "High-power fiber lasers and amplifiers: perspectives and limitations", Proc. SPIE 5777, XV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (23 March 2005); https://doi.org/10.1117/12.611064

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