Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2017High photon flux and high repetition rate fiber-laser driven HHG
Hädrich, S.; Eidam, T.; Hoffmann, A.; Wunderlich, S.; Jansen, F.; Steil, D.; Mathias, S.; Limpert, J.
Conference Paper
2015Large-pitch multicore fiber for coherent combination of ultrashort pulses
Klenke, A.; Wojdyr, M.; Müller, M.; Kienel, M.; Eidam, T.; Otto, H.-J.; Stutzki, F.; Jansen, F.; Limpert, J.; Tünnermann, A.
Conference Paper
2015Sub-700fs pulses at 152 W average power from a Tm-doped fiber CPA system
Gaida, Christian; Stutzki, Fabian; Gebhardt, Martin; Jansen, Florian; Wienke, Andreas; Zeitner, Uwe D.; Fuchs, Frank; Jauregui, Cesar; Wandt, Dieter; Kracht, Dietmar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2015Tm-based fiber-laser system with more than 200 MW peak power
Stutzki, Fabian; Gaida, Christian; Gebhardt, Martin; Jansen, Florian; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2014152 W average power Tm-doped fiber CPA system
Stutzki, F.; Gaida, C.; Gebhardt, M.; Jansen, F.; Wienke, A.; Zeitner, U.; Fuchs, F.; Jauregui, C.; Wandt, D.; Kracht, D.; Limpert, J.; Tünnermann, A.
Journal Article
2014200 MW peak power from a Tm-doped fiber CPA system
Gaida, C.; Stutzki, F.; Gebhardt, M.; Jansen, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2014Breaking the symmetry for enhanced higher-order mode delocalization
Stutzki, Fabian; Jansen, Florian; Jauregui-Misas, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2014Designing advanced very-large-mode-area fibers for power scaling of fiber-laser systems
Stutzki, F.; Jansen, F.; Otto, H.J.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2014Efficiency improvement in Thulium-doped fibers via excited state pumping
Jauregui, Cesar; Stutzki, Fabian; Jansen, Florian; 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
2014Metabolic engineering for p-coumaryl alcohol production in Escherichia coli by introducing an artificial phenylpropanoid pathway
Jansen, F.; Gillessen, B.; Mueller, F.; Commandeur, U.; Fischer, R.; Kreuzaler, F.
Journal Article
2014Passive mitigation of mode instabilities
Jauregui, Cesar; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2014Tm-doped fiber CPA system with 152 W average power and sub-700fs pulse duration
Gaida, Christian; Gebhardt, Martin; Stutzki, Fabian; Jansen, Florian; Wienke, Andreas; Zeitner, Uwe; Fuchs, Frank; Jauregui, Cesar; Wandt, Dieter; Kracht, Dietmar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
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
2014Very-large-mode-area fibers for high-power laser operation
Jansen, F.
Dissertation
20132.4 mJ, 33 W Q-switched Tm-doped fiber laser with near diffraction-limited beam quality
Stutzki, Fabian; Jansen, Florian; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
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
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, high energy Tm-doped Q-switched large-pitch fiber laser
Stutzki, F.; Jansen, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
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
2013Improved delocalization of higher-order modes in large-pitch fibers by breaking the symmetry
Jansen, Florian; Stutzki, Fabian; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2013Improved modal reconstruction for spatially and spectrally resolved imaging (S2)
Otto, H.-J.; Jansen, F.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2013Laser-Induced Efficiency Improvement for Thulium-doped Fiber Laser Systems
Jauregui, Cesar; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
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
2013Mitigation strategies for mode instabilities in high-power fiber-laser systems
Otto, H.-J.; Jauregui, C.; Stutzki, F.; Jansen, F.; Limpert, J.; Tünnermann, A.
Conference Paper
2013Mode instabilities in large-mode-area fiber amplifiers
Eidam, T.; Jauregui, C.; Otto, H.-J.; Jansen, F.; Stutzki, F.; Limpert, J.; Tünnermann, A.
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
2013On the power threshold of mode instabilities
Jauregui, C.; Otto, H.-J.; Stutzki, F.; Jansen, F.; Limpert, J.; Tünnermann, A.
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
2013Temperature as a guiding mechanism for high-power very-large-mode-area active fibers
Jansen, F.; Stutzki, F.; Otto, H.-J.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2013Understanding and mitigation of modal instabilities in high power fiber laser and amplifiers
Limpert, J.; Jauregui, C.; Otto, H.-J.; Stutzki, F.; Jansen, F.; Eidam, T.; Tünnermann, A.
Conference Paper
201226 mJ, 130 W Q-switched fiber-laser system with near-diffraction-limited beam quality
Stutzki, Fabian; Jansen, Florian; Liem, Andreas; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
201226-mJ pulse energy Q-switched large-pitch fiber laser system with excellent beam quality
Jansen, Florian; Stutzki, Fabian; Liem, Andreas; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
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
2012High power Q-switched fiber laser system delivering 22mJ pulse energy with excellent beam quality
Jansen, Florian; Stutzki, Fabian; Liem, Andreas; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012High power Q-switched fiber laser system emitting 26 mJ pulses with near diffraction-limited beam quality
Stutzki, Fabian; Jansen, Fabian; Liem, Andreas; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012High-power very large mode-area thulium-doped fiber laser
Jansen, Florian; Stutzki, Fabian; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
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
2012Sub-5-ps, multimegawatt peak-power pulses from a fiber-amplified and optically compressed passively Q-switched microchip laser
Steinmetz, Alexander; Jansen, Florian; Stutzki, Fabian; Lehneis, Reinhold; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012Sub-5ps high energy pulses from a fiber-amplified and compressed passively Q-switched microchip laser
Steinmetz, Alexander; Jansen, Florian; Stutzki, Fabian; Lehneis, Reinhold; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Sub-5ps high-energy pulses from a fiber-amplified and compressed passively Q-switched microchip laser
Steinmetz, A.; Jansen, F.; Stutzki, F.; Lehneis, R.; Limpert, J.; Tünnermann, A.
Conference Paper
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
2011135 W average-power femtosecond pulses at 520 nm from a frequency-doubled fiber laser system
Rothhardt, J.; Eidam, T.; Hädrich, S.; Jansen, F.; Stutzki, F.; Gottschall, T.; Andersen, T.V.; Limpert, J.; Tünnermann, A.
Journal Article
201122 Watt average power multi-MW fiber oscillator
Baumgartl, M.; Jansen, F.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Anticrossings induced by index depressions and their impact on mode area scaling of active large pitch fibers
Jansen, F.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Avoided crossings in photonic crystal fibers
Jansen, F.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2011Dynamic waveguide properties of active fibers under high power operation
Stutzki, F.; Jansen, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Experimental observations of the threshold-like onset of mode instabilities in high power fiber amplifiers
Eidam, T.; Wirth, C.; Jauregui, C.; Stutzki, F.; Jansen, F.; Otto, H.-J.; Schmidt, O.; Schreiber, T.; Limpert, J.; Tünnermann, A.
Journal Article
2011Fiber chirped-pulse amplification system emitting 3.8 GW peak power
Eidam, T.; Rothhardt, J.; Stutzki, F.; Jansen, F.; Hädrich, S.; Carstens, H.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2011Fiber CPA system delivering 2.2 mJ, sub 500 fs pulses with 3.8 GW peak power
Eidam, T.; Rothhardt, J.; Stutzki, F.; Jansen, F.; Hädrich, S.; Carstens, H.; Limpert, J.; Tünnermann, A.
Conference Paper
2011High average and peak power femtosecond large-pitch photonic-crystal-fiber laser
Baumgartl, M.; Jansen, F.; Stutzki, F.; Jauregui, C.; Ortac, B.; Limpert, J.; Tünnermann, A.
Journal Article
2011High average power femtosecond pulses at 520 nm via second harmonic generation of a fiber chirped pulse amplification system
Eidam, T.; Hädrich, S.; Rothhardt, J.; Stutzki, F.; Jansen, F.; Gottschall, T.; Andersen, T.V.; Limpert, J.; Tünnermann, A.
Conference Paper
2011High average power large-pitch fiber amplifier with robust single-mode operation
Stutzki, F.; Jansen, F.; Eidam, T.; Steinmetz, A.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2011High power 100fs fiber oscillator
Baumgartl, M.; Jansen, F.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Inhibition of stimulated Raman scattering using long period gratings in double clad fiber amplifiers
Nodop, D.; Jauregui, C.; Jansen, F.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Non-hexagonal large-pitch fibers for enhanced mode discrimination
Stutzki, F.; Jansen, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2011Preferential gain photonic-crystal fiber for mode stabilization at high average powers
Eidam, T.; Hädrich, S.; Jansen, F.; Stutzki, F.; Rothhardt, J.; Carstens, H.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2011Robust single-mode high average power very large mode area fiber amplifiers
Stutzki, F.; Jansen, F.; Eidam, T.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Robust single-mode ytterbium-doped large pitch fiber emitting 294 W
Jansen, F.; Stutzki, F.; Eidam, T.; Steinmetz, A.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Yb-doped Large Pitch Fiber with 105 µm mode field diameter
Jansen, F.; Stutzki, F.; Eidam, T.; Rothhardt, J.; Hädrich, S.; Carstens, H.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2010Fiber based ultrashort pulse laser systems at ultrahigh average power levels
Eidam, T.; Andersen, T.V.; Seise, E.; Hanf, S.; Jansen, F.; Schmidt, O.; Jauregui, C.; Limpert, J.; Gabler, T.; Wirth, C.; Schreiber, T.; Tünnermann, A.
Conference Paper
2010Influence of index depressions in active large pitch fibers
Jansen, F.; Baumgartl, M.; Otto, H.-J.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2010The influence of index-depressions in core-pumped Yb-doped large pitch fibers
Jansen, F.; Stutzki, F.; Otto, H.-J.; Baumgartl, M.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2010Suppression of stimulated Raman scattering employing long period gratings in double-clad fiber amplifiers
Nodop, D.; Jauregui, C.; Jansen, F.; Limpert, J.; Tünnermann, A.
Journal Article
2010Suppression of stimulated Raman scattering in high-power fiber laser systems by lumped spectral filters
Jansen, F.; Nodop, D.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2010Zukunftsfähig mit IT
Jansen, F.; Cuhls, K.; Isenmann, R.; Koch, D.J.
Report
2009Modeling the inhibition of stimulated Raman scattering in passive and active fibers by lumped spectral filters in high power fiber laser systems
Jansen, F.; Nodop, D.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2009Modeling the suppression of stimulated Raman scattering in active and passive fibers by lumped spectral filtering elements
Jansen, F.; Jauregui, C.; Nodop, D.; Limpert, J.; Tünnermann, A.
Conference Paper
2008Long period gratings written in large-mode area photonic crystal fiber
Nodop, D.; Linke, S.; Jansen, F.; Limpert, J.; Tünnermann, A.; Rindorf, L.
Journal Article
1991Einfluß der Laserbehandlung auf das Korrosionsverhalten vakuumplasmagespritzter Titan- und Niobschichten
Lugscheider, E.; Hofmann, D.; Jansen, F.; Nicoll, A.R.; Kreutz, E.W.; Wissenbach, K.; Gasser, A.
Conference Paper