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MCVD based fabrication of low-NA fibers for high power fiber laser application

: Hupel, C.; Kuhn, S.; Hein, S.; Haarlammert, N.; Nold, J.; Beier, F.; Sattler, B.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.


Optical Society of America -OSA-, Washington/D.C.:
Advanced Solid State Lasers 2015 : Berlin, Germany, October 4-9, 2015
Washington, DC: OSA, 2015
ISBN: 978-1-943580-02-6
Paper AM4A.2
Conference "Advanced Solid State Lasers" (ASSL) <2015, Berlin>
Conference Paper
Fraunhofer IOF ()

The fabrication of Yb doped fibers with low-NA (0.04) for high-power fiber laser applications in the multi-kW class is presented and discussed. Laser tests with ~3 kW output power and excellent beam quality are demonstrated.