CW laser operation around 2-μm in (Tm,Yb):KLu(WO4) 2
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8
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Physics Procedia
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Amsterdam : Elsevier
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Abstract
Laser generation in continuous wave (CW) regime at 1.94-μm from (Tm,Yb) codoped system has been investigated in two different hosts: KLu(WO 4)2 and KY(WO4)2. The high quality crystals were grown by the Top-Seeded Solution Growth Slow Cooling (TSSG-SC) method with doping levels of 2.5 at. %Tm and 5 at. %Yb. The active media were pumped with a diode laser at 980 nm. We demonstrated the superior performance of KLu(WO4)2 compared to that of KY(WO4) 2 and improved the results already obtained in the literature. The maximum laser output power reached was 157 mW for (Tm,Yb):KLu(WO 4)2 and 123 mW for (Tm,Yb):KY(WO4)2. © 2010 Published by Elsevier Ltd.
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Keywords
Diode pumped solid state lasers, Double tungstate crystals, Thulium lasers, Continuous wave lasers, Doping (additives), Pumping (laser), Ytterbium, Continuous waves, Diode pumped solid state laser, Double tungstates, High quality crystals, Laser generation, Laser output power, Thulium laser, Top seeded solution growth, Solid state lasers
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CC BY-NC-ND 3.0 Unported