Holmium-doped fibers for efficient fiber lasers at 2100 nm

Michal Kamrádek; Michal Kamrádek; Jan Aubrecht; Michal Jelínek; Milan Frank; Pavel Peterka; Pavel Honzátko; Jan Mrázek; Petr Vařák; Petr Vařák; Ondřej Podrazký; Filip Todorov; Václav Kubeček; Ivan Kašík

doi:10.1364/MICS.2020.MTh3C.5

OSA High-brightness Sources and Light-driven Interactions Congress 2020 (EUVXRAY, HILAS, MICS)
OSA Technical Digest (Optica Publishing Group, 2020),
paper MTh3C.5
•https://doi.org/10.1364/MICS.2020.MTh3C.5

Holmium-doped fibers for efficient fiber lasers at 2100 nm

Michal Kamrádek, Jan Aubrecht, Michal Jelínek, Milan Frank, Pavel Peterka, Pavel Honzátko, Jan Mrázek, Petr Vařák, Ondřej Podrazký, Filip Todorov, Václav Kubeček, and Ivan Kašík

Mid-Infrared Coherent Sources 2020

Washington, DC United States
16–20 November 2020
ISBN: 978-1-943580-73-6

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Mid-IR and THz Sources II (MTh3C)

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M. Kamrádek, J. Aubrecht, M. Jelínek, M. Frank, P. Peterka, P. Honzátko, J. Mrázek, P. Vařák, O. Podrazký, F. Todorov, V. Kubeček, and I. Kašík, "Holmium-doped fibers for efficient fiber lasers at 2100 nm," in OSA High-brightness Sources and Light-driven Interactions Congress 2020 (EUVXRAY, HILAS, MICS), L. Assoufid, P. Naulleau, M. Couprie, T. Ishikawa, J. Rocca, C. Haefner, G. Sansone, T. Metzger, F. Quéré, M. Ebrahim-Zadeh, A. Helmy, F. Laurell, and G. Leo, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper MTh3C.5.

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Abstract

Holmium-doped fibers with a low laser threshold and a slope efficiency exceeding 80% prepared by a nanoparticle-doping method are demonstrated. We proved the key factor for efficient holmium lasers is a ratio of Al/Ho greater than 60.

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