Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2019Coherent beam combination of pulses emitted by a 16-core ytterbium-doped fiber
Klenke, A.; Müller, M.; Stark, H.; Stutzki, F.; Hupel, C.; Schreiber, T.; Tünnermann, A.; Limpert, J.
Conference Paper
2019High-power fiber laser materials: Influence of fabrication methods and codopants on optical properties
Kuhn, S.; Hein, S.; Hupel, C.; Nold, J.; Stutzki, F.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
2019Ring-up-doped fiber for the generation of more than 600 W single-mode narrow-band output at 1018 nm
Palma-Vega, G.; Walbaum, T.; Heinzig, M.; Kuhn, S.; Hupel, C.; Hein, S.; Feldkamp, G.; Sattler, B.; Nold, J.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Journal Article
2019Single-mode propagation with 205μm mode-field diameter in a passive large pitch fiber
Steinkopff, A.; Jauregui, C.; Stutzki, F.; Nold, J.; Hupel, C.; Haarlammert, N.; Bierlich, J.; Tünnermann, A.; Limpert, J.
Conference Paper
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
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
2018Coherently combined 16-channel multicore fiber laser system
Klenke, A.; Müller, M.; Stark, H.; Stutzki, F.; Hupel, C.; Schreiber, T.; Tünnermann, A.; Limpert, J.
Journal Article
2018Coherently combined femtosecond pulses from a multicore fiber amplifier
Klenke, A.; Muller, M.; Stark, H.; Stutzki, F.; Hupel, C.; Schreiber, T.; Tünnermann, A.; Limpert, J.
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
2018Modelling the refractive index behavior of Al,P-doped SiO2, fabricated by means of all-solution doping, in the vicinity of Al:P = 1:1
Kuhn, S.; Hein, S.; Hupel, C.; Nold, J.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Journal Article
2017All-solution doping technique for high power fiber lasers - refractive index influence in the vicinity of Al:P = 1:1
Kuhn, S.; Hein, S.; Hupel, C.; Nold, J.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper
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
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
2015All-solution doping technique for tailoring core composition toward Yb:AlPO4:SiO2
Kuhn, S.; Hein, S.; Hupel, C.; Ihring, J.; Nold, J.; Haarlammert, N.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
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
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
2014CO2-laser based fiber coating process for high power fiber application
Böhme, Steffen; Hirte, K.; Fabian, Simone; Hupel, Christian; Schreiber, Thomas; Eberhardt, Ramona; Tünnermann, Andreas
Conference Paper
2013Fabrication and evaluation of a 500 W cladding-light stripper
Kliner, Andrea; Hou, Kai-Chung; Plötner, Marco; Hupel, Christian; Stelzner, Thomas; Schreiber, Thomas; Eberhardt, Ramona; Tünnermann, Andreas
Conference Paper
2013Fabrication and evaluation of a 500 W cladding-light stripper
Kliner, A.; Hou, K.C.; Plötner, M.; Hupel, C.; Stelzner, T.; Schreiber, T.; Eberhardt, R.; Tünnermann, A.
Conference Paper