Fraunhofer-Gesellschaft

Publica

Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.
2018Erhöhung der Strahldichte von Hochleistungs-Diodenlaserbarren mittels dielektrischer Kantenfilter
Witte, U.
Dissertation
2017Analytical model for diode-to-fiber coupling and beam propagation in weakly guiding fibers
Neumann, A.; Giesberts, M.; Witte, U.; Fitzau, O.; Hoffmann, H.-D.
Konferenzbeitrag
2017Coherent beam combining architectures for high power tapered laser arrays
Schimmel, G.; Janicot, S.; Hanna, S.; Decker, J.; Crump, P.; Erbert, G.; Witte, U.; Traub, M.; Georges, P.; Lucas-Leclin, G.
Konferenzbeitrag
2017Cost efficient diode laser beam source for sheet metal cutting
Witte, U.; Traub, M.
Zeitschriftenaufsatz
2017kW-class direct diode laser for sheet metal cutting based on commercial pump modules
Witte, U.; Schneider, F.; Holly, C.; Meo, A. di; Rubel, D.; Boergmann, F.; Traub, M.; Hoffmann, D.; Drovs, S.; Brand, T.; Unger, A.
Konferenzbeitrag
2016Compact 35μm fiber coupled diode laser module based on dense wavelength division multiplexing of NBA mini-bars
Witte, U.; Traub, M.; Meo, A. di; Rubel, D.; Hamann, M.; Hengesbach, S.; Hoffmann, D.
Konferenzbeitrag
2016High-power operation of coherently coupled tapered laser diodes in an external cavity
Schimmel, G.; Doyen, I.; Janicot, S.; Hanna, M.; Georges, P.; Lucas-Leclin, G.; Decker, J.; Crump, P.; Erbert, G.; Kaunga-Nyirenda, S.; Moss, D.; Bull, S.; Larkins, E.C.; Witte, U.; Traub, M.
Konferenzbeitrag
2016KW-class direct diode laser for sheet metal cutting based on DWDM of pump modules by use of ultra-steep dielectric filters
Witte, U.; Schneider, F.; Traub, M.; Hoffmann, D.; Drovs, S.; Brand, T.; Unger, A.
Zeitschriftenaufsatz
2016Simultaneous frequency stabilization and high-power dense wavelength division multiplexing (HP-DWDM) using an external cavity based on volume Bragg gratings (VBGs)
Hengesbach, S.; Klein, S.; Holly, C.; Witte, U.; Traub, M.; Hoffmann, D.
Konferenzbeitrag
2016Simultaneous frequency stabilization, wavelength multiplexing and improvement of beam quality using a self-optimizing external cavity diode laser
Hengesbach, S.; Klein, S.; Traub, M.; Witte, U.
Zeitschriftenaufsatz
201525-W monolithic spectrally stabilized 975-nm minibars for dense spectral beam combining
Decker, J.; Crump, P.; Fricke, J.; Maaßdorf, A.; Traub, M.; Witte, U.; Brand, T.; Unger, A.; Erbert, G.; Tränkle, G.
Zeitschriftenaufsatz
2015Characterisation of ultra-narrow band filters for diode laser systems based on dense wavelength division multiplexing
Rubel, D.; Witte, U.; Hengesbach, S.; Traub, M.; Hoffmann, D.
Konferenzbeitrag
2015Dense wavelength multiplexing and 35 µm-fiber coupling of wavelength chirped high power diode laser bars
Witte, U.; Rubel, D.; Traub, M.; Hamann, M.; Hengesbach, S.; Hoffmann, D.
Konferenzbeitrag
2015High power diode laser with 23W ex 35 μm fibre
Witte, U.; Hamann, M.; Meo, A. di; Rubel, D.; Traub, M.; Hoffmann, D.
Konferenzbeitrag
2014Broadly tunable, longitudinally diode-pumped Alexandrite laser
Strotkamp, M.; Witte, U.; Munk, A.; Hartung, A.; Gausmann, S.; Hengesbach, S.; Traub, M.; Hoffmann, H.-D.; Hoeffner, J.; Jungbluth, B.
Konferenzbeitrag
2014High-power dense wavelength division multiplexing (HP-DWDM) of frequency stabilized 9xx diode laser bars with a channel spacing of 1.5 nm
Hengesbach, S.; Holly, C.; Krauch, N.; Witte, U.; Westphalen, T.; Traub, M.; Hoffmann, D.
Konferenzbeitrag
2013Broadly tunable, diode pumped Alexandrite laser
Strotkamp, M.; Witte, U.; Munk, A.; Hartung, A.; Gausmann, S.; Hengesbach, S.; Traub, M.; Hoffmann, H.-D.; Hoeffner, J.; Jungbluth, B.
Konferenzbeitrag
2013Design of a DFB / DBR diode laser module including spectral multiplexing based on VBGs
Hengesbach, S.; Witte, U.; Traub, M.; Hoffmann, D.
Konferenzbeitrag
2013High brightness diode laser module in the red spectral range for pumping applications
Witte, U.; Hengesbach, S.; Traub, M.; Strotkamp, M.; Jungbluth, B.; Hoffmann, D.
Konferenzbeitrag
2013High-power dense wavelength division multiplexing of multimode diode laser radiation based on volume Bragg gratings
Hengesbach, S.; Krauch, N.; Holly, C.; Traub, M.; Witte, U.; Hoffmann, D.
Zeitschriftenaufsatz
2013Low-loss, smile-insensitive external frequency-stabilization of high power diode lasers enabled by vertical designs with extremely low divergence angle and high efficiency
Crump, P.; Knigge, S.; Maaßdorf, A.; Bugge, F.; Hengesbach, S.; Witte, U.; Hoffmann, H.D.; Köhler, B.; Hubrich, R.; Kissel, H.; Biesenbach, J.; Erbert, G.; Tränkle, G.
Konferenzbeitrag
2012High-power diode lasers optimized for low-loss smile-insensitive external spectral stabilization
Crump, P.; Hengesbach, S.; Witte, U.; Hoffmann, H.-D.; Erbert, G.; Tränkle, G.
Zeitschriftenaufsatz
2011Simulation and analysis of volume holographic gratings integrated in collimation optics for wavelength stabilization
Hengesbach, S.; Witte, U.; Traub, M.; Hoffmann, D.
Konferenzbeitrag