Baer, P.:
Increase of power limits due to non-linear effects of fiber lasers by special fiber geometries
Apprimus Verlag (2024)
https://doi.org/10.18154/RWTH-2024-03643
Giesberts, M., Bontke, F., Reiter, M., Baer, P., Hoffmann, H.-D., Bartram, M.,:
Thulium-doped high-power fiber amplifier for ⪅500 ps directly gain-switched seed diodes
SPIE LASE, 2024, San Francisco, California, United States. Proceedings Volume 12865, Fiber Lasers XXI: Technology and Systems; 128651J (2024)
https://doi.org/10.1117/12.3002692
Cebeci, P., Giesberts, M., Baer, P., Hoffmann, H.-D.:
Narrow-linewidth single-stage fiber amplifier with an output power of 15 W at 1064 nm
SPIE LASE, 2024, San Francisco, California, United States. Proceedings Volume 12865, Fiber Lasers XXI: Technology and Systems; 128651J (2024)
https://doi.org/10.1117/12.3003178
Baer, P., Cebeci, P., Reiter, M., Giesberts, M., Hoffmann, H.-D.:
Narrow-linewidth and low-noise holmium-doped fiber amplifier at 2095 nm with compact packaging
SPIE LASE, 2024, San Francisco, California, United States. Proceedings Volume 12865, Fiber Lasers XXI: Technology and Systems; 128651J (2024)
https://doi.org/10.1117/12.3002827
Baer, P., Cebeci, P., Ebert, J., Erben, B., Giesberts, M., Hoefer, M., Hoffmann, H.-D., Loosen, P. Reiter, M., E-TEST Konsortium:
E-TEST: a compact low-frequency isolator for a large cryogenic mirror
Classical and Quantum Gravity, Volume 40, Number 16
https://doi.org/10.1088/1361-6382/ace230
Baer, P., Elshani, A., Reiter, M., Cebeci, P., Giesberts, M., Ebert, J., Hoefer, M., Hoffmann, D.:
Thulium- and holmium-doped high stability fiber amplifiers at 2 µm for next generation gravitational wave detectors
Proc. SPIE 12400, Fiber Lasers XX: Technology and Systems, 124000J (8 March 2023)
https://doi.org/10.1117/12.2649611
Cebeci, P., Giesberts, M., Baer, P., Eßer, J., Guetzlaff, J., Hoffmann, D., Dahl, K.:
Highly stable fiber amplifier development and environmental component-testing for the space-based gravitational wave detector LISA
Proc. SPIE 12400, Fiber Lasers XX: Technology and Systems, 124001H (8 March 2023)
https://doi.org/10.1117/12.2649881
Dahl, K. Baatzsch, A., Baron, F., Betz, P., Dahl, C., Dittmar, S., Herding, M., Krieger, J., Liebherr, T., Schäfer, H., Schäfer, L., Serenok P., Kownatzki, J., Schillinger, H., Cebeci, P., Fitzau, O., Giesberts, M., Gohlke M., Sanjuan, J.:
European laser development for LISA
Proc. SPIE 12777, International Conference on Space Optics — ICSO 2022, 127773A (12 July 2023)
https://doi.org/10.1117/12.2690347
Baer, P., Cebeci, P., Giesberts, M., Hoffmann, D.:
High stability fiber amplifiers for terrestrial and space sensing applications at 1 and 2 µm
Optica Advanced Photonics Congress 2022
https://doi.org/10.1364/LSC.2022.LsM6C.6
Baer, P., Cebeci, P., Giesberts, M., Hoffmann, H.D., Loosen, P., ETpathfinder Konsortium:
ETpathfinder: a cryogenic testbed for interferometric gravitational-wave detectors
Classical and Quantum Gravity, Volume 39, Number 21
https://doi.org/10.1088/1361-6382/ac8fdb
Baer, P., Klein, S., Raguse, M., Giesberts, M., Reiter, M., Hoffmann, D.:
Monolithic highly Multi-Mode XLMA-Fiber Resonator for High Power Operation
Optics Express Vol. 30, Issue 19, pp. 33842-33849 (2022)
https://doi.org/10.1364/OE.464861
Baer, P., Klein, S., Raguse, M., Reiter, M., Giesberts, M., Hoffmann, D.:
Highly reflective Fiber Bragg Gratings in active fibers for fiber-integrated multi-mode resonator
Proc. SPIE 11981, Fiber Lasers XIX: Technology and Systems, 1198114 (4 March 2022);
https://doi.org/10.1117/12.2606583
Raguse, M., Klein, S., Baer, P., Giesberts, M., Traub, M., Hoffmann, D.:
Investigations on high-reflective Fiber-Bragg-Gratings in multimode fibers
Optics Continuum, Vol. 1, Issue 5, pp. 965-973 (2022)
https://doi.org/10.1364/OPTCON.450150
Betz, P., Eßer, J., Gräfe, C., Plum, J. B.:
Temperature systems based on Peltier-elements for the use in a Thermal Vacuum Chamber and a Bakeout Facility for space laser components.
50th International Conference on Environmental Systems ICES, 12.-15. July 2021
https://hdl.handle.net/2346/87079
Betz, P., Eßer, J., Gräfe, C., Plum, J. B.:
Temperature systems based on Peltier-elements for the use in a Thermal Vacuum Chamber and a Bakeout Facility for space laser components.
50th International Conference on Environmental Systems ICES, 12.-15. July 2021
https://hdl.handle.net/2346/87079
Cebeci, P., Mosquera, J.V., Höfer, M., Fitzau, O., Giesberts, M., Erben, B., Hoffmann, D.:
Highly stable, high power hybrid fiber and Innoslab amplifier for narrow linewidth signals
Proc. SPIE 11259, Solid Stage Lasers XXIX: Technology and Devices, 112590L (4 March 2020)
https://doi.org/10.1117/12.2545934
Baer, P., Giesberts, M., Fitzau, O.:
Investigations on single-mode fibers with rectangular core geometry
OSA Continuum, Vol. 3, Issue 8, pp. 2243-2252 (2020)
https://doi.org/10.1364/OSAC.396103
Klein, S. Giesberts, M., Baer, P., Raguse, M., Fitzau, O. Traub, M., Hoffmann, D., Krause, V., Rehmann, G.:
Fiber Bragg gratings in active multimode XLMA fibers for high-power kW-class fiber lasers
Proc. SPIE 11260, Fiber Lasers XVII: Technology and systems, 1126025 (21st February 2020)
https://doi.org/10.1117/12.2545738
Fitzau, O.:
Fasergekoppelte optische Isolatoren für Hochleistungs-Faserlaser
Ergebnisse aus der Lasertechnik, Apprimus Verlag (2020)
Baer, P., Cebeci, P., Giesberts, M., Fitzau, O.:
Design and fabrication of a fused 7 x 1 35/50 µm into 125/250 µm fiber combiner
OSA Continuum, Vol. 2, Issue 4, pp. 1106-1112 (2019)
https://doi.org/10.1364/OSAC.2.001106
Fitzau, O., Betz, P., Cebeci, P., Giesberts, M., Hoffmann, D., Schiemangk, M., Wicht, A., Sanjuan, J., Dahl, K., Amairi Pyka, S., Kovalchuk, E., Peters, A.:
Highly stable fiber lasers for satellite-based gravitational measurements
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108972H (7 March 2019)
https://doi.org/10.1117/12.2509950
Greve, C., Dahl, K., Barwood, G., Cebeci, P., Deutsch, C., Fitzau, O., Giesberts, M., Ghulinyan, M., Gill, P., Kassner, B., Koller, S., Krutzik, M., Kundermann, S., Le Goff, R., Oswald, M., Peters, A., Pyka Amairi, S., Sanjuan, J., Schiemangk, M., Schilt, S., Schuldt, T., Sell, A., Stenzel, C., Voss, K., Wicht, A., Zhukov, A.:
Space based lasers for gravitational wave detection
Laser Applications Conference 2019 (ASSL, LAC, LS&C), 2019
https://doi.org/10.1364/LAC.2019.CM3C.4
Klein, S., Fitzau, O., Giesberts, M., Traub, M., Hoffmann, D., Krause, V., Rehmann, G.:
Investigation of fiber Bragg gratings for high-power multi-mode XLMA-based fiber lasers
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 1089713 (7 March 2019)
https://doi.org/10.1117/12.2508385
Langner, A., Moser, F., Plass, J., Schönfeld, D., Schötz, G., Brabant, T., Kuka, G., Giesberts, M., Baer, P., Klein, S., Fitzau, O., Hoffmann, D., Rehmann, G., Krause, V.:
Improvement of the manufacturing process chain of sintered active XLMA fibers and their preforms for use in high power, high efficiency fiber resonators
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108970F (7 March 2019)
https://doi.org/10.1117/12.2508597
Dahl, K., Cebeci, P., Fitzau, O. Giesberts, M., Greve, C., Kruztik, M., Peters, A., Amairi Pyka, S., Sanjuan, J., Schiemangk, M., Schuldt, T., Voss, K., Wicht, A.:
A new laser technology for LISA
Proc. SPIE 11180, International Conference on Space Optics — ICSO 2018, 111800C (12 July 2019)
https://doi.org/10.1117/12.2535931
Giesberts, M., Fitzau, O., Hoffmann, D., Lange, R., Bachert, C., Krause, V.:
Directly q-switched high power resonator based on XLMA-fibers
Proc. SPIE 105122, Fiber Lasers XV: Technology and Systems, 1051218 (26 February 2018)
https://doi.org/10.1117/12.2287783
Lange, R., Bachert, C. Rehmann, G., Weber, H., Luxen, R., Enns, H., Schenk, M., Hosdorf, S., Marfels, S., Bay, M., Köster, A., Krause, V., Giesberts, M., Fitzau, O. Hoffmann, D.:
Fully integrated Q-switch for commercial high-power resonator with solitary XLMA-fiber
Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 1051217 (26 February 2018)
https://doi.org/10.1117/12.2288309
Neumann, A., Giesberts, M. Witte, U., Fitzau, O., Hoffmann, D.:
Analytical model for diode-to-fiber coupling and beam propagation in weakly guiding fibers
IEEE High Power Diode Lasers and Systems Conference (HPD), 11-12 Oct. 2017
https://doi.org/10.1109/HPD.2017.8261091
Dahl, K., Nicklaus, K., Herding, M., Wang, X., Beller, N., Fitzau, O. Giesberts, M., Herper, M., Williams, R.A., Barwood, G.P., Lovelock, P., Gill, P., Koegel, H., Sell, A.:
High stability laser for interferometric earth gravity measurements
Proc. SPIE 10562, International Conference on Space Optics — ICSO 2016, 105620J (25 September 2017)
https://doi.org/10.1117/12.2296095
Löhring, J., Winzen, M., Faidel, H., Miesner, J., Plum, D., Klein, J. Fitzau, O., Giesberts, M., Brandenburg, W., Seidel, A., Schwanen, N., Riesters, D., Hengesbach, S., Hoffmann, D.:
Key optical components for spaceborne lasers
Proc. SPIE 9730, Components and Packaging for Laser Systems II, 97300O (22 April 2016)
https://doi.org/10.1117/12.2212319
Fitzau, O.:
Polarized Fiber Lasers and Amplifiers
Springer Series in Optical Sciences. Vol 189, P. 251-263 (2015)
http://doi.org/10.1007/978-1-4939-1179-0_11
Herper, M., Fitzau, O., Giesberts, M., Nicklaus, K., Barwood, G. P., Williams, R. A., Gill, P., Koegel, H., Hoffmann, D.:
High stability single-frequency Yb fiber amplifier for next generation gravity missions
Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93440B (4 March 2015)
https://doi.org/10.1117/12.2077400
Nicklaus, K., Herding, M., Wang, X., Beller, N., Fitzau, O., Giesberts, M., Herper, M., Barwood, G. P., Williams, R. A., Gill, P., Koegel, H., Webster, S. A., Gohlke, M.:
High stability laser for next generation gravity missions
Proc. SPIE 10563, International Conference on Space Optics – ICSO 2014, 105632T (17 November 2017)
https://doi.org/10.1117/12.2304161
Becker, M., Werner, M. Fitzau, O., Esser, D., Kobelke, J., LLorenz, A., Schwuchow, A., Rothhardt, M., Schuster, K., Hoffmann, D., Hartmut, B.:
Laser-drilled free-form silica fiber preforms for microstructured optical fibers
Optical fiber Technology Vol 19, Issue 5, P. 482-485, Oct. 2013
https://doi.org/10.1016/j.yofte.2013.06.001
Becker, M., Werner, M. Fitzau, O., Esser, D., Kobelke, J., LLorenz, A., Schwuchow, A., Rothhardt, M., Schuster, K., Hoffmann, D., Hartmut, B.:
Laser processed preforms for microstructured optical fibers
Proc. SPIE 8785, 8th Iberoacmerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers and Applications, 18. Nov. 2013
https://doi.org/10.1117/12.2023223
Larsen, C., Giesberts, M., Nyga, S., Fitzau, O., Jungbluth, B., Hoffmann, D., Bang, O.:
Gain-switched all-fiber laser with narrow bandwidth
Optics Express, Vol. 21, Issue 10, pp. 12302-12308 (2013)
https://doi.org/10.1364/OE.21.012302
Katzy, V., Giesberts, M., Fitzau, O., Hoffmann, D.:
Single mode all-fiber pulse-pumped Raman amplifier for picosecond pulses
Advanced Solid-State Photonics (ASSP), San Diego, California, Jan. 29. - Feb. 1. 2012
https://doi.org/10.1364/ASSP.2012.AT4A.6
Fitzau, O., Geiger, J., Hoffmann, D.:
Experimental and theoretical studies on kW class polarized fiber lasers for cw operation
Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 719509 (19 February 2009)
https://doi.org/10.1117/12.812112
Giesberts, M., Geiger, J., Traub, M., Hoffmann, D.:
Novel design of a gain-switched diode-pumped fiber laser
Proc. SPIE 7195, Fiber Lasers VI: Technology, Systems, and Applications, 71952P (19 February 2009)
https://doi.org/10.1117/12.807721
Traub, M., Giesberts, M., Geiger, J., Johnigk, C., Hoffmann, D.:
High-peak-power fiber coupled super-pulsed diode lasers
Proc. SPIE 7198, High-Power Diode Laser Technology and Applications VII, 71980W (23 February 2009)
https://doi.org/10.1117/12.813486
Zintzen, B., Langer, T., Geiger, J., Hoffmann, D., Loosen, P.:
Optimization of the heat transfer in multi-kW-fiber-lasers
Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 687319 (17 March 2008)
https://doi.org/10.1117/12.764450
Geiger, J., Fitzau, O., Zintzen, B., Hoffmann, D.:
Single-mode, highly polarized Yb-doped fiber laser with 850 W output power
Advanced Solid-State Photonics 2008, Nara Japan, 27.-30. January 2008
https://doi.org/10.1364/ASSP.2008.WA7
Geiger, J., Erben, B., Hoffmann, D., Altmeyer, S.:
Characterization of high power multimode combiners
European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference, June 2007
https://doi.org/10.1109/CLEOE-IQEC.2007.4386476
Zintzen, B., Langer, T., Geiger, G., Hoffmann, D., Loosen, P.:
Heat transport in solid and air-clad fibers for high-power fiber lasers
Optics Express, Vol. 25, Issue 25, pp. 16787-16793 (2007)
https://doi.org/10.1364/OE.15.016787