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700-W single transverse mode Yb-doped fiber laser

: Liu, C.-H.; Galvanauskas, A.; Ehlers, B.; Doerfel, F.; Heinemann, S.; Carter, A.; Tankala, K.; Farroni, J.

American Physical Society -APS-, Division of Laser Science; IEEE Lasers and Electro-Optics Society:
Conference on Lasers and Electro-Optics, CLEO 2004. Postconference digest. Vol.A : 16-21 May 2004, San Francisco, Calif.
Washington, DC: OSA, 2004 (Trends in optics and photonics series 96)
ISBN: 1-55752-777-6
Conference on Lasers and Electro-Optics (CLEO) <2004, San Francisco/Calif.>
Conference Paper
Fraunhofer ILT ()

We demonstrate 700-W fundamental mode beam from Yb-doped fiber laser operating at 1092 nm. Coiling 20-µm diameter and 0.06 NA core fiber into 15-cm diameter spool eliminates higher-order modes through distributed mode filtering.