Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2015Impact of photodarkening on the mode instability threshold
Otto, Hans-Jürgen; Modsching, Norbert; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2015Optische Anordnung mit Strahlaufteilung
Klenke, Arno; Limpert, Jens; Otto, Hans-Jürgen; Tünnermann, Andreas
Patent
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
20142 kW average power from a pulsed Yb-doped rod-type fiber amplifier
Otto, Hans-Jürgen; Stutzki, Fabian; Modsching, Norbert; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
20144-fold increase of the mode-instability threshold in an Yb-doped multi-core fiber amplifier emitting 536 W
Otto, Hans-Jürgen; Klenke, Arno; Jauregui, Cesar; Stutzki, Fabian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2014High gain, ytterbium doped, Ge pedestal, large pitch fiber
Gaida, Christian; Stutzki, Fabian; Jansen, Florian; Otto, Hans-Jürgen; Eidam, Tino; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2014Optische Anordnung mit Strahlaufteilung
Klenke, Arno; Limpert, Jens; Otto, Hans-Jürgen; Tünnermann, Andreas
Patent
2014Passive mitigation of mode instabilities
Jauregui, Cesar; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2014Scaling the mode instability threshold with multicore fibers
Otto, Hans-Jürgen; Klenke, Arno; Jauregui, Cesar; Stutzki, Fabian; Limpert, Jens; Tünnermann, Andreas
Journal Article
2014Triple-clad large-pitch fibers for compact high-power pulsed fiber laser systems
Gaida, Christian; Stutzki, Fabian; Jansen, Florian; Otto, Hans-Jürgen; Eidam, Tino; Jauregui, Cesar; Vries, Oliver de; Limpert, Jens; Tünnermann, Andreas
Journal Article
2014Yb-doped rod-type fiber amplifier with 2 kW average power
Otto, Hans-Jürgen; Jauregui, Cesar; Stutzki, Fabian; Modsching, Norbert; Limpert, Jens; Tünnermann, Andreas
Conference Paper
201358 mJ burst containing ultra-short pulses with homogenous energy level from an Yb-doped fiber amplifier
Breitkopf, Sven; Klenke, Arno; Gottschall, Thomas; Otto, Hans-Jürgen; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2013Controlling mode instabilities by dynamic mode excitation with an acousto-optic deflector
Otto, Hans-Jürgen; Jauregui, Cesar; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Journal Article
2013Dependence of mode instabilities on the extracted power of fiber laser systems
Otto, Hans-Jürgen; Jauregui, Cesar; Stutzki, Fabian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2013Four-fold increase of the mode instability threshold with a multi-core photonic crystal fiber
Otto, Hans-Jürgen; Klenke, Arno; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2013High power ytterbium-doped Ge-pedestal large-pitch fiber
Stutzki, Fabian; Otto, Hans-Jürgen; Jansen, Florian; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2013High-power thermally guiding index-antiguiding-core fibers
Jansen, Florian; Stutzki, Fabian; Otto, Hans-Jürgen; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2013Mitigation of mode instabilities by dynamic excitation of fiber modes
Otto, Hans-Jürgen; Jauregui, Cesar; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2013Mode instabilities: Physical origin and mitigation strategies
Jauregui, Cesar; Otto, Hans-Jürgen; Jansen, Florian; Stutzki, Fabian; Eidam, Tino; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2013Passive mitigation strategies for mode instabilities in high-power fiber laser systems
Jauregui, Cesar; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Journal Article
2013Recent Progress in the Understanding and Mitigation of Mode Instabilities
Jauregui, Cesar; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
201258 mJ burst comprising ultrashort pulses with homogenous energy level from an Yb-doped fiber amplifier
Breitkopf, Sven; Klenke, Arno; Gottschall, Thomas; Otto, Hans-Jürgen; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012Dynamics and origin of mode instabilities in high power fiber laser amplifiers
Otto, Hans-Jürgen; Jauregui, Cesar; Eidam, Tino; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Experimental study of mode instabilities in high power fiber amplifiers
Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Eidam, Tino; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012On the thermal origin of mode instabilities in high power fiber lasers
Jauregui, Cesar; Eidam, Tino; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Physical origin of mode instabilities in high-power fiber laser systems
Jauregui, Cesar; Eidam, Tino; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012Temperature-induced index gratings and their impact on mode instabilities in high-power fiber laser systems
Jauregui, Cesar; Eidam, Tino; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012Temporal dynamics of mode instabilities in high-power fiber lasers and amplifiers
Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Eidam, Tino; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012Thermal waveguide changes in high power fiber lasers
Jansen, Florian; Stutzki, Fabian; Otto, Hans-Jürgen; Eidam, Tino; Liem, Andreas; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Thermally induced index gratings in few-mode high-power fiber laser systems
Jauregui, Cesar; Eidam, Tino; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Thermally induced waveguide changes in active fibers
Jansen, Florian; Stutzki, Fabian; Otto, Hans-Jürgen; Eidam, Tino; Liem, Andreas; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012Yb-doped large-pitch fibres: Effective single-mode operation based on higher-order mode delocalisation
Limpert, Jens; Stutzki, Fabian; Jansen, Florian; Otto, Hans-Jürgen; Eidam, Tino; Jauregui, Cesar; Tünnermann, Andreas
Journal Article