Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Transverse single-mode operation in a passive large pitch fiber with more than 200  μm mode-field diameter
Steinkopff, A.; Jauregui, C.; Stutzki, F.; Nold, J.; Hupel, C.; Haarlammert, N.; Bierlich, J.; Tünnermann, A.; Limpert, J.
Journal Article
2018Coherent Beam Combination of Ultrafast Fiber Lasers
Klenke, A.; Müller, M.; Stark, H.; Kienel, M.; Jauregui, C.; Tünnermann, A.; Limpert, J.
Journal Article
2018High-power broadband mid-IR difference-frequency generation driven by a Tm-doped fiber laser
Heuermann, T.; Gaida, C.; Gebhardt, M.; Stutzki, F.; Jauregui, C.; Antonio-Lopez, J.; Schulzgen, A.; Amezcua-Correa, R.; Pupeza, I.; Limpert, J.; Tünnermann, A.
Conference Paper
2018Modal energy transfer by thermally induced refractive index gratings in Yb-doped fibers
Stihler, C.; Jauregui, C.; Tünnermann, A.; Limpert, J.
Journal Article
2018Nonlinear pulse compression stage delivering 43-W few-cycle pulses with GW peak-power at 2-μm wavelength
Gebhardt, M.; Gaida, C.; Heuermann, T.; Stutzki, F.; Jauregui, C.; Antonio-Lopez, J.; Schüuzgen, A.; Amezcua-Correa, R.; Tünnermann, A.; Limpert, J.
Conference Paper
2018Phase-shift evolution of the thermally-induced refractive index grating in high-power fiber laser systems induced by pump-power variations
Stihler, C.; Jauregui, C.; Tünnermann, A.; Limpert, J.
Journal Article
2018Pump-modulation-induced beam stabilization in high-power fiber laser systems above the mode instability threshold
Jauregui, C.; Stihler, C.; Tünnermann, A.; Limpert, J.
Journal Article
2018Thermal analysis of Yb-doped high-power fiber amplifiers with Al:P co-doped cores
Jauregui, C.; Stutzki, F.; Tünnermann, A.; Limpert, J.
Journal Article
2018Towards the control of the modal energy transfer in transverse mode instabilities
Stihler, C.; Jauregui, C.; Tünnermann, A.; Limpert, J.
Conference Paper
2018Transverse mode instabilities in burst operation of high-power fiber laser systems
Jauregui, C.; Stihler, C.; Tünnermann, A.; Limpert, J.
Conference Paper
2018Ultra-large mode area fibers for high power lasers
Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
201790 fs pulses with >5 GW peak power from a high repetition rate Tm-doped fiber CPA system
Gaida, C.; Gebhardt, M.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2017All-fiber optical parametric oscillator for bio-medical imaging applications
Gottschall, T.; Meyer, T.; Jauregui, C.; Just, F.; Eidam, T.; Schmitt, M.; Popp, J.; Limpert, J.; Tünnermann, A.
Conference Paper
2017Controlling mode instabilities at 628 W average output power in an Yb-doped rod-type fiber amplifier by active modulation of the pump power
Stihler, C.; Jauregui, C.; Otto, H.-J.; Limpert, J.; Tünnermann, A.
Conference Paper
2017Dependence of the mode instability threshold of high-power fiber laser systems on core co-dopants
Jauregui, C.; Stihler, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2017Experimental investigation of transverse mode instabilities in a double-pass Yb-doped rod-type fiber amplifier
Stihler, C.; Otto, H.-J.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2017Fully automated all-fiber widely-tunable optical-parametric-oscillator laser system
Gottschall, T.; Meyer, T.; Jauregui, C.; Just, F.; Eidam, T.; Schmitt, M.; Limpert, J.; Popp, J.; Tünnermann, A.
Conference Paper
2017High average power nonlinear compression to 4 GW, sub-50 fs pulses at 2 μm wavelength
Gebhardt, M.; Gaida, C.; Stutzki, F.; Hädrich, S.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2017High average power nonlinear self-compression to few-cycle pulses at 2 μm wavelength in antiresonant hollow-core fiber
Gebhardt, M.; Gaida, C.; Stutzki, F.; Jauregui, C.; Antonio-Lopez, J.; Schulzgen, A.; Amezcua-Correa, R.; Limpert, J.; Tünnermann, A.
Conference Paper
2017High-average power 4 GW pulses with sub-8 optical cycles from a Tm-doped fiber laser driven nonlinear pulse compression stage
Gebhardt, M.; Gaida, C.; Stutzki, F.; Hädrich, S.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2017The impact of core co-dopants on the mode instability threshold of high-power fiber laser systems
Jauregui, C.; Otto, H.-J.; Stihler, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2017The impact of the fiber design on the RIN characteristics of high-power fiber laser systems
Jauregui, C.; Müller, M.; Kienel, M.; Emaury, F.; Saraceno, C.J.; Limpert, J.; Keller, U.; Tünnermann, A.
Conference Paper
2017Mitigation of mode instabilities in high-power fiber laser systems by active modulation of the pump power
Stihler, C.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2017Mode instabilities in high-power fiber laser systems
Jauregui, C
Habilitation
2017Multi-GW, 100 fs thulium-doped fiber laser system for high-harmonic generation at high repetition rates
Gebhardt, M.; Gaida, C.; Stutzki, F.; Klas, R.; Tschernajew, M.; Demmler, S.; Jauregui, C.; Rothhardt, J.; Limpert, J.; Tünnermann, A.
Conference Paper
2017Nonlinear pulse compression in solid-core fibers for high-average power few-cycle pulses in the MIR
Gaida, C.; Vamos, L.; Gebhardt, M.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.; Pupeza, I.
Conference Paper
2017Nonlinear pulse compression to 43 W GW-class few-cycle pulses at 2 mu m wavelength
Gebhardt, M.; Gaida, C.; Heuermann, T.; Stutzki, F.; Jauregui, C.; Antonio-Lopez, J.; Schulzgen, A.; Amezcua-Correa, R.; Limpert, J.; Tünnermann, A.
Journal Article
2017Optimizing the noise characteristics of high-power fiber laser systems
Jauregui, C.; Müller, M.; Kienel, M.; Emaury, F.; Saraceno, C.J.; Limpert, J.; Keller, U.; Tünnermann, A.
Conference Paper
2017Self-protecting nonlinear compression in a solid fiber for long-term stable ultrafast lasers at 2 μm wavelength
Stutzki, F.; Gaida, C.; Gebhardt, M.; Jauregui, C.; Limpert, J.; Tünnermann, A.; Pupeza, I.
Conference Paper
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
2017Towards sub-100 fs multi-GW pulses directly emitted from a Thulium-doped fiber CPA system
Gaida, C.; Gebhardt, M.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2017Widely tunable, fully automated, all-fiber dual-color laser system for stimulated Raman imaging
Gottschall, T.; Meyer, T.; Jauregui, C.; Just, F.; Eidam, T.; Schmitt, M.; Popp, J.; Limpert, J.; Tünnermann, A.
Conference Paper
2016Amplitude noise reduction in Yb-doped fiber amplifiers
Müller, M.; Jauregui, C.; Kienel, M.; Emaury, F.; Saraceno, C.J.; Keller, U.; Limpert, J.; Tünnermann, A.
Conference Paper
2016Average power limit of Ytterbium-doped fiber-laser systems with nearly diffraction-limited beam quality
Otto, H.-J.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2016Four-wave mixing based light sources for real-world biomedical applications of coherent Raman microscopy
Gottschall, T.; Meyer, T.; Jauregui, C.; Schmitt, M.; Popp, J.; Limpert, J.; Tünnermann, A.
Conference Paper
2016High average power GW-level few-cycle pulses at 2 µm wavelength for high photon energy HHG
Gaida, C.; Gebhardt, M.; Stutzki, F.; Hädrich, S.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2016Optimizing high-power Yb-doped fiber amplifier systems in the presence of transverse mode instabilities
Jauregui, C.; Otto, H.-J.; Breitkopf, S.; Limpert, J.; Tünnermann, A.
Journal Article
2016Optimizing large-pitch fibers for higher average powers
Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2016Optimizing the mode instability threshold of high-power fiber laser systems
Jauregui, C.; Otto, H.-J.; Breitkopf, S.; Limpert, J.; Tünnermann, A.
Conference Paper
2016Self-compression to 24 MW peak power in a fused silica solid-core fiber using a high-repetition rate thulium-based fiber laser system
Gebhardt, M.; Gaida, C.; Stutzki, F.; Hädrich, S.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2016Thermal optimization of high power fiber laser systems
Jauregui, C.; Otto, H.-J.; Stihler, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2016Thulium-doped fiber chirped-pulse amplification system with 2 GW of peak power
Gaida, C.; Gebhardt, M.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2015200 MW peak power Tm-based fiber CPA system and prospects for further power scaling
Stutzki, F.; Gaida, C.; Gebhardt, M.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2015Coherent combination of two Tm-doped fiber amplifiers
Gaida, C.; Kienel, M.; Mueller, M.; Klenke, A.; Gebhardt, M.; Stutzki, F.; Jauregui, C.; Limpert, Jens; Tünnermann, Andreas
Journal Article
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
2015Mode instabilities and the influence of photodarkening in high-power fiber lasers
Otto, H.-J.; Modsching, N.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2015Mode instabilities in high-power bidirectional fiber amplifiers and lasers
Jauregui, C.; Otto, H.J.; Limpert, J.; Tünnermann, A.
Conference Paper
2015Nonlinear compression of an ultrashort-pulse thulium-based fiber laser to sub-70 fs in Kagome photonic crystal fiber
Gebhardt, Martin;; Gaida, C.; Haedrich, S.; Stutzki, F.; Jauregui, C.; Limpert, Jens; Tünnermann, Andreas
Journal Article
2015Nonlinear compression of ultrashort pulses from a high repetition rate Tm-doped fiber laser to sub-5 cycle duration
Gebhardt, M.; Gaida, C.; Stutzki, F.; Hädrich, S.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2015Nonlinear compression of ultrashort pulses from a thulium-based fiber laser in a gas-filled Kagome-type HC-PCF
Gebhardt, M.; Gaida, C.; Hädrich, S.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
2015Peak power scaling of thulium-doped ultrafast fiber laser systems
Gebhardt, Martin; Gaida, Christian; Stutzki, Fabian; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2015Raising the mode instability threshold in high-power fiber laser systems
Jauregui, C.; Otto, H.-J.; Limpert, J.; Tünnermann, A.
Conference Paper
2015Recent progress in the understanding of mode instabilities
Jauregui, C.; Otto, H.J.; Modsching, N.; Limpert, J.; Tünnermann, A.
Conference Paper
2015Self-compression in a solid fiber to 24  MW peak power with few-cycle pulses at 2  μm wavelength
Gaida, C.; Gebhardt, M.; Tutzki, F.S.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2015Self-efficiency improvement and cooling in thulium-doped fibers
Jauregui, Cesar; Stutzki, Fabian; Limpert, Jens; Tünnermann, Andreas
Conference Paper
2015Simplified modelling the mode instability threshold of high power fiber amplifiers in the presence of photodarkening
Jauregui, C.; Otto, H.J.; Stutzki, F.; Limpert, J.; Tünnermann, A.
Journal Article
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
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
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
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
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
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
2014The impact of photodarkening on mode instabilities in high-power fiber laser systems
Jauregui, C.; Otto, H.-J.; Modsching, N.; Vries, O. de; Limpert, J.; Tünnermann, A.
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
2014Performance scaling of ultrafast laser systems by coherent addition of femtosecond pulses
Limpert, J.; Jauregui, C.; Klenke, A.; Breitkopf, S.; Kienel, M.; Hädrich, S.; Eidam, T.; Tünnermann, A.
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
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
2014Sub-200 fs, nJ-level stretched-pulse thulium-doped fiber oscillator at 23MHz repetition rate
Gebhardt, M.; Gaida, C.; Stutzki, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
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
2014Wavelength dependence of maximal diffraction-limited output power of fiber lasers
Otto, H.-J.; Modsching, N.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
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 energy-scaling capability of ultrashort pulses via passively combined divided-pulse amplification
Kienel, M.; Eidam, T.; Klenke, A.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
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
2013Fiber amplifier CPA system using divided-pulse amplification for multi-mJ extraction
Kienel, M.; Klenke, A.; Breitkopf, S.; Eidam, T.; Jauregui, C.; Limpert, J.; Tünnermann, A.
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, high energy Tm-doped Q-switched large-pitch fiber laser
Stutzki, F.; Jansen, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
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
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
2013Radial and azimuthal polarized all-fiber Raman oscillator
Jocher, C.; Jauregui, C.; Becker, M.; Rothhardt, M.; Limpert, J.; Tünnermann, A.
Conference Paper
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
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
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 based polarization filter for radially and azimuthally polarized light
Jocher, C.; Jauregui, C.; Voigtländer, C.; Stutzki, F.; Nolte, S.; 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
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 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
2011Impact of modal interference on high-power fiber laser systems
Jauregui, C.; Eidam, T.; Limpert, J.; Tünnermann, A.
Conference Paper
2011Impact of modal interference on the beam quality of high-power fiber amplifiers
Jauregui, C.; Eidam, T.; Limpert, J.; Tünnermann, A.
Journal Article
2011Improved parametric generation of light in optical fibers
Jauregui, C.; Nodop, D.; 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
2011Inversion grating assisted beam quality degradation in high power fiber laser systems
Jauregui, C.; Eidam, T.; 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
2011On the Raman threshold for passive large mode area fibers
Jauregui, C.; Limpert, J.; Tünnermann, A.
Conference Paper
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
2011Real-time characterisation of modal content in monolithic few-mode fibre lasers
Stutzki, F.; 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
2010High power picosecond mid-infrared and visible source based on degenerated four-wave-mixing in a large mode area photonic crystal fiber
Nodop, D.; Jauregui, C.; Schimpf, D.; Steinmetz, A.; Limpert, J.; 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
2010Passive all-fiber transversal mode filter for high-power CW fiber laser applications
Jauregui, C.; Stutzki, F.; Thomas, J.U.; Voigtländer, C.; Nolte, S.; Limpert, J.; Tünnermann, A.
Conference Paper
2010Passively stabilized 215-W monolithic CW LMA-fiber laser with innovative transversal mode filter
Stutzki, F.; Jauregui, C.; Voigtländer, C.; Thomas, J.U.; Limpert, J.; Nolte, S.; Tünnermann, A.
Conference Paper
2010Real-time monitoring of the modal content of monolithic large-mode-area fiber lasers
Stutzki, F.; Jauregui, C.; Voigtländer, C.; Thomas, J.; Nolte, S.; Limpert, J.; Tünnermann, A.
Conference Paper
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
2009Derivation of Raman threshold formulas for CW double-clad fiber amplifiers
Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article
2009Efficient high power generation of pulsed red light via four-wave-mixing in a large-mode-area, endlessly single-mode photonic-crystal fiber
Nodop, D.; Jauregui, C.; Schimpf, D.; Limpert, J.; Tünnermann, A.
Conference Paper
2009Efficient high-power generation of visible and mid-infrared light by degenerate four-wave-mixing in a large-mode-area photonic-crystal fiber
Nodop, D.; Jauregui, C.; Schimpf, D.; Limpert, J.; Tünnermann, A.
Journal Article
2009Einzelmodenpropagation in mikrostrukturierten Fasern
Limpert, J.; Röser, F.; Eidam, T.; Jauregui, C.; Tünnermann, A.
Patent
2009Femtosecond and picosecond laser drilling of metals at high repetition rates and average powers
Ancona, A.; Döring, S.; Jauregui, C.; Röser, F.; Limpert, J.; Nolte, S.; Tünnermann, A.
Journal Article
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
2009Transversalmodenfilter fuer Wellenleiter
Thomas, J.; Voigtlaender, C.; Nolte, S.; Jauregui, C.; Stutzki, F.; Limpert, J.; Tuennermann, A.
Patent
2009Ultrashort pulse laser drilling of metals using a high-repetition rate high average power fiber CPA system
Ancona, A.; Jauregui, C.; Döring, S.; Röser, F.; Limpert, J.; Nolte, S.; Tünnermann, A.
Conference Paper
200894 W 980 nm high brightness Yb-doped fiber laser
Röser, F.; Jauregui, C.; Limpert, J.; Tünnermann, A.
Journal Article