1.8-kW 16-channel ultrafast fiber laser system

Michael Mueller; Arno Klenke; Henning Stark; Joachim Buldt; Thomas Gottschall; Andreas Tünnermann; Jens Limpert

doi:10.1117/12.2287683

26 February 2018 1.8-kW 16-channel ultrafast fiber laser system

Michael Mueller, Arno Klenke, Henning Stark, Joachim Buldt, Thomas Gottschall, Andreas Tünnermann, Jens Limpert

Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 1051208 (2018) https://doi.org/10.1117/12.2287683
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

An ultrafast ytterbium-doped fiber laser system based on coherent beam combination of 16 amplifier channels is presented. The system delivers 1.83 kW average power at 2.3 mJ pulse energy and 240 fs pulse duration. The combining efficiency of 82% and the beam M²-value of 1.8 currently is limited by thermal lensing in some optical components, which were identified and are to be replaced.

Citation Download Citation

Michael Mueller, Arno Klenke, Henning Stark, Joachim Buldt, Thomas Gottschall, Andreas Tünnermann, and Jens Limpert "1.8-kW 16-channel ultrafast fiber laser system", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 1051208 (26 February 2018); https://doi.org/10.1117/12.2287683

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