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Ho:YAG laser intracavity pumped by a diode-pumped Tm:YLF laser
M Schellhorn1, A Hirth, C Kieleck
1French-German Research Institute of Saint-Louis, 5 Rue du Général Cassagnou, F-68301 Saint-Louis, France. schellhorn@isl.tm.fr
Abstract:
We report a compact Ho:YAG laser that is intracavity pumped by a diode-pumped Tm:YLF laser. Both lasers exhibit pulse mode behavior. Operating both crystals at room temperature (25 degrees C), we obtained 1.6 W of average output at 2.09 microm from the Ho:YAG laser for 15.4 W of diode power incident upon the Tm:YLF rod and a slope efficiency of 21%.
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