Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2015Fiber-based light sources for biomedical applications of coherent anti-Stokes Raman scattering microscopy
Gottschall, Thomas; Meyer, Tobias; Baumgartl, Martin; Jauregui, César; Schmitt, Michael C.; Popp, Jürgen; Limpert, Jens; Tünnermann, Andreas
Journal Article
2015Impact of atmospheric molecular absorption on the temporal and spatial evolution of ultra-short optical pulses
Gebhardt, Martin; Gaida, Christian; Stutzki, Fabian; Hädrich, Steffen; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2015Impact of photodarkening on the mode instability threshold
Otto, Hans-Jürgen; Modsching, Norbert; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
2015Peak power scaling of thulium-doped ultrafast fiber laser systems
Gebhardt, Martin; Gaida, Christian; Stutzki, Fabian; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2015Self-efficiency improvement and cooling in thulium-doped fibers
Jauregui, Cesar; Stutzki, Fabian; Limpert, Jens; Tünnermann, Andreas
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
2015Wavelength dependence of maximal diffraction-limited output power of fiber lasers
Otto, H.J.; Modsching, Norbert; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
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
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
2014All-fiber Raman oscillator for the generation of radially and azimuthally polarized beams
Jocher, Christoph; Jauregui, Cesar; Becker, Martin; Rothhardt, Manfred; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2014Analysis of stimulated Raman scattering in cw kW fiber oscillators
Schreiber, Thomas; Liem, Andreas; Freier, E.; Matzdorf, Christian; Eberhardt, Ramona; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
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
2014Passive mitigation of mode instabilities
Jauregui, Cesar; Otto, Hans-Jürgen; Stutzki, Fabian; Jansen, Florian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2014Performance scaling of ultrafast laser systems by coherent addition of femtosecond pulses
Limpert, Jens; Klenke, Arno; Kienel, Marco; Breitkopf, Sven; Eidam, Tino; Hädrich, Steffen; Jauregui, Cesar; Tünnermann, Andreas
Journal Article
2014Scaling the mode instability threshold with multicore fibers
Otto, Hans-Jürgen; Klenke, Arno; Jauregui, Cesar; Stutzki, Fabian; Limpert, Jens; Tünnermann, Andreas
Journal Article
2014Smoothed spectra for enhanced dispersion-free pulse duration reduction of passively Q-switched microchip lasers
Lehneis, Reinhold; Jauregui, Cesar; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas
Journal Article
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
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
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
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
2013An all-fiber Raman laser for cylindrical vector beam generation
Jocher, Christoph; Jauregui, Cesar; Becker, Martin; Rothhardt, Manfred; Limpert, Jens; Tünnermann, Andreas
Journal Article
2013Analysis of passively combined divided-pulse amplification as an energy-scaling concept
Kienel, Marco; Klenke, Arno; Eidam, Tino; Baumgartl, Martin; 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
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 fibre lasers
Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
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
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
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
2013Widely tunable parametric generation of picosecond visible and mid-infrared radiation in optical fibers
Giree, Achut; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
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
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
2012Alignment and maintenance free all-fiber laser source for CARS microscopy based on frequency conversion by four-wave-mixing
Baumgartl, Martin; Chemnitz, Mario; Jauregui, Cesar; Meyer, Tobias; Dietzek, Benjamin; Popp, Jürgen; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012All-fiber laser source for CARS microscopy based on fiber optical parametric frequency conversion
Baumgartl, Martin; Chemnitz, Mario; Jauregui, Cesar; Meyer, Tobias; Dietzek, Benjamin; Popp, Jürgen; Limpert, Jens; Tünnermann, Andreas
Journal Article
2012All-fiber parametric generation of sub-100ps pulses at 650nm with 9Watt average power
Jauregui, Cesar; Steinmetz, Alexander; Nodop, Dirk; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012CGH-based real-time analysis of fiber Bragg gratings in few mode LMA fibers
Mundus, Markus; Thomas, Jens U.; Voigtländer, Christian; Becker, Ria G.; Jauregui, Cesar; Tünnermann, Andreas; Nolte, Stefan
Conference Paper
2012Dispersion-free pulse duration reduction of passively Q-switched microchip lasers
Lehneis, Reinhold; Steinmetz, Alexander; 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
2012Fiber based generation of azimuthally polarized light
Jocher, Christoph; Jauregui, Cesar; Voigtländer, Christian; Stutzki, Fabian; Nolte, Stefan; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Fiber based modal filter for radially and azimuthally polarized beams
Jocher, Christoph; Jauregui, Cesar; Voigtländer, Christian; Stutzki, Fabian; Nolte, Stefan; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Fiber optical parametric frequency conversion: Alignment and maintenance free all-fiber laser concept for CARS microscopy
Baumgartl, Martin; Chemnitz, Mario; Jauregui, Cesar; Gottschall, Thomas; Meyer, Tobias; Dietzek, Benjamin; Popp, Jürgen; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2012Fiber-based source for multiplex-CARS microscopy based on degenerate four-wave mixing
Gottschall, Thomas; Baumgartl, Martin; Sagnier, Aude; Rothhardt, Jan; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Journal Article
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 efficient generation of visible and mid-infrared radiation exploiting four-wave-mixing in optical fibers
Jauregui, Cesar; Steinmetz, Alexander; Limpert, Jens; Tünnermann, Andreas
Journal Article
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
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
2012Widely tuneable fiber optical parametric amplifier for coherent anti-Stokes Raman scattering microscopy
Chemnitz, Mario; Baumgartl, Martin; Meyer, Tobias; Jauregui, Cesar; Dietzek, Benjamin; Popp, Jürgen; 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