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

 
: Jansen, Florian; Stutzki, Fabian; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas

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Optics Letters 37 (2012), No.21, pp.4546-4548
ISSN: 0146-9592
English
Journal Article
Fraunhofer IOF ()

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.

: http://publica.fraunhofer.de/documents/N-219530.html