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

descriptionPublicationkeyboard_double_arrow_right Article 30 Oct 2012 English Publisher:Optica Publishing GroupJournal:Optics Letters, volume 37, page 4,546 (issn: 0146-9592, eissn: 1539-4794,

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Authors: F. Jansen; F. Stutzki; C. Jauregui; J. Limpert; and A. Tünnermann;

doi: 10.1364/ol.37.004546

pmid: 23114358

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

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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.

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