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3.5kW coherently combined ultrafast fiber laser
Author(s): Michael Mueller; Arno Klenke; Albrecht Steinkopff; Evgeny Shestaev; Andreas Tünnermann; Jens Limpert
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Paper Abstract

We present a coherently-combined ultrafast fiber laser system consisting of four amplifier channels delivering 3.5 kW average power at 80 MHz repetition rate with a pulse duration of 430 fs FWHM and a close-to-diffraction-limited beam quality with an M2 < 1.2. The system incorporates a fully automated self-adjustment of the beam combination, allowing for a quasi-turn-key operation of the system. At the date of publication, this system delivers the highest average power reported from an ultrafast laser.

Paper Details

Date Published: 7 March 2019
PDF: 8 pages
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 1089719 (7 March 2019); doi: 10.1117/12.2509693
Show Author Affiliations
Michael Mueller, Friedrich-Schiller-Univ. Jena (Germany)
Arno Klenke, Friedrich-Schiller-Univ. Jena (Germany)
Helmholtz Institute Jena (Germany)
Albrecht Steinkopff, Friedrich-Schiller-Univ. Jena (Germany)
Evgeny Shestaev, Friedrich-Schiller-Univ. Jena (Germany)
Andreas Tünnermann, Friedrich-Schiller-Univ. Jena (Germany)
Helmholtz Institute Jena (Germany)
Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)
Jens Limpert, Friedrich-Schiller-Univ. Jena (Germany)
Helmholtz Institute Jena (Germany)
Fraunhofer-Institut für Angewandte Optik und Feinmechanik (Germany)


Published in SPIE Proceedings Vol. 10897:
Fiber Lasers XVI: Technology and Systems
Adrian L. Carter; Liang Dong, Editor(s)

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