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High-power diode-pumped Tm:YLF laser

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Abstract

A high-power, continuous-wave 3.5% Tm3+ doped LiYF4 (Tm:YLF) laser has been developed. Using two Tm:YLF rods in a single cavity, 55 W of laser output at 1910 nm was obtained with a slope efficiency of 49%. The M2 factor was found to be <3. With a single Tm:YLF rod, a maximum laser power of 30 W was obtained with a slope efficiency of 50%. The laser was tuned to the peak absorption wavelength of Ho:YAG of 1907.5 nm by an intracavity quartz etalon with an output power loss < 1 W.

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Authors and Affiliations

  1. French-German Research Institute, ISL, 5, rue du Genéral Cassagnou, 68301, Saint-Louis, France

    M. Schellhorn

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  1. M. Schellhorn
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Correspondence to M. Schellhorn.

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PACS

42.55.-f; 42.55.Xi; 42.60.Pk

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Schellhorn, M. High-power diode-pumped Tm:YLF laser. Appl. Phys. B 91, 71–74 (2008). https://doi.org/10.1007/s00340-008-2943-4

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  • DOI: https://doi.org/10.1007/s00340-008-2943-4

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