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High-power very large mode-area thulium-doped fiber laser

By Florian Jansen, Fabian Stutzki, Cesar Jauregui, Jens Limpert and Andreas Tünnermann

Abstract

Large-pitch photonic-crystal fibers have demonstrated their unique capability of combining very large mode areas, high output powers and robust single-mode operation at a wavelength of 1 µm. In this Letter, we present the experimental realization of thulium-doped very large mode-area fibers based on the large-pitch fibers with record mode-field diameters exceeding 60 µm and delivering more than 52 W of output power

Year: 2012
DOI identifier: 10.1364/OL.37.004546
OAI identifier: oai:fraunhofer.de:N-219530
Provided by: Fraunhofer-ePrints
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