Nils-Owe Hansen, Aude-Reine Bellancourt, Ulrich Weichmann, Günter Huber
We report highly efficient laser operation of praseodymium-doped LiYF_4 in the green spectral range. The influence of the crystal length and pump light focusing on the laser performance has been studied. The pump radiation was delivered by InGaN laser diodes. Optimizing the setup for a 2.9mm long ... [Appl. Opt. 49, 3864-3868 (2010)]
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