Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Active materials for high-power fiber lasers prepared by all-solution doping technique
Kuhn, S.; Möller, F.; Hupel, C.; Hein, S.; Beier, F.; Nold, J.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2018Experimental investigations on the TMI thresholds of low-NA Yb-doped single-mode fibers
Beier, F.; Möller, F.; Sattler, B.; Nold, J.; Liem, A.; Hupel, C.; Kuhn, S.; Hein, S.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Journal Article
2017Detailed investigations on thermal mode instabilities in LMA Yb-doped fibers
Beier, F.; Sattler, B.; Liem, A.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2017High power sub-ps pulse generation by compression of a frequency comb obtained by a nonlinear broadened two colored seed
Plötner, M.; Bock, V.; Schultze, T.; Beier, F.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Journal Article
2017kW-class fiber laser prepared using an alternative solution doping MCVD-technique
Kuhn, S.; Hupel, C.; Hein, S.; Beier, F.; Nold, J.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2017Measuring thermal load in fiber amplifiers in the presence of transversal mode instabilities
Beier, F.; Plötner, M.; Sattler, B.; Stutzki, F.; Walbaum, T.; Liem, A.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Journal Article
2017Single mode 4.3 kW output power from a diode-pumped Yb-doped fiber amplifier
Beier, F.; Hupel, C.; Kuhn, S.; Hein, S.; Nold, J.; Proske, F.; Sattler, B.; Liem, A.; Jauregui, C.; Limpert, J.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Journal Article
2017Single mode low-NA step index Yb-doped fiber design for output powers beyond 4kW
Beier, F.; Proske, F.; Hupel, C.; Kuhn, S.; Hein, S.; Sattler, B.; Nold, J.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2017TMI investigations of very low NA Yb-doped fibers and scaling to extreme stable 4.4 kW single-mode output
Beier, F.; Möller, F.; Nold, J.; Sattler, B.; Kuhn, S.; Hupel, C.; Hein, S.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2016Narrow linewidth, single mode 3 kW average power from a directly diode pumped ytterbium-doped low NA fiber amplifier
Beier, F.; Hupel, C.; Nold, J.; Kuhn, S.; Hein, S.; Ihring, J.; Sattler, B.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Journal Article
2016Spatially resolved measurement of the core temperature in a highpower thulium fiber system
Walbaum, T.; Heinzig, M.; Beier, F.; Liem, A.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2016Temperature measurements in an ytterbium fiber amplifier up to the mode instability threshold
Beier, F.; Heinzig, M.; Sattler, B.; Walbaum, T.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
20156.8 kW peak power quasi-continuous wave tandem-pumped Ytterbium amplifier at 1071nm
Beier, Franz; Strecker, M.; Nold, Johannes; Haarlammert, Nicoletta; Schreiber, Thomas; Eberhardt, Ramona; Tünnermann, Andreas
Conference Paper
2015Determination of thermal load from core temperature measurements in single mode ytterbium-doped fiber amplifiers
Beier, F.; Heinzig, M.; Walbaum, T.; Kuhn, S.; Hupel, C.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2015In situ temperature measurement in high power fiber amplifiers
Beier, F.; Heinzig, M.; Haarlammert, N.; Nold, J.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2015MCVD 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.
Conference Paper
20141009 nm continuous-wave ytterbium-doped fiber amplifier emitting 146 W
Beier, Franz; Otto, Hans-Jürgen; Jauregui, Cesar; Vries, Oliver de; Schreiber, Thomas; Limpert, Jens; Eberhardt, Ramona; Tünnermann, Andreas
Journal Article
2014146W continuous wave ytterbium doped fiber amplifier at 1009 nm
Beier, Franz; Otto, Hans-Jürgen; Sattler, Bettina; Plötner, Marco; Haarlammert, Nicoletta; Vries, Oliver de; Jauregui, Cesar; Schreiber, Thomas; Limpert, Jens; Eberhardt, Ramona; Tünnermann, Andreas
Conference Paper
2013Robust 1550-nm single-frequency all-fiber ns-pulsed fiber amplifier for wind-turbine predictive control by wind lidar
Beier, Franz; Vries, Oliver de; Schreiber, Thomas; Eberhardt, Ramona; Tünnermann, Andreas; Bollig, Christoph; Hofmeister, Paul Gerke; Schmidt, Jochen; Reuter, Rainer
Conference Paper