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Conferences > ASSL > 2017 > ATu3A > ATu3A.2

TMI investigations of very low NA Yb-doped fibers and scaling to extreme stable 4.4 kW single-mode output

Franz Beier, Friedrich Möller, Johannes Nold, B. Sattler, Stefan Kuhn, Christian Hupel, Sigrun Hein, N. Haarlammert, Thomas Schreiber, Ramona Eberhardt, and Andreas Tünnermann

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Abstract

We present our recent results of scaling low-NA fibers to high average power by overcoming the TMI-limitations. We obtained a record output power of 4.4kW with a higher stability and smaller bending compared to our previous result.

© 2017 Optical Society of America

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