High power diode-pumped 2.7-μm Er3+:Y2O3 laser with nearly quantum defect-limited efficiency

We report diode-pumped Er3+:Y2O3 ceramic laser with ~14 W of true CW output at ~2.7 μm. This presents nearly ten-fold power increase with respect to previous best result with this laser material. We also believe this to be the highest power ever reported from Er3+ -doped bulk crystalline laser opera...

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Bibliographic Details
Published in:Optics express 2011-09, Vol.19 Suppl 5, p.A1082-A1087
Main Authors: Sanamyan, T, Kanskar, M, Xiao, Y, Kedlaya, D, Dubinskii, M
Format: Article
Language:English
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Summary:We report diode-pumped Er3+:Y2O3 ceramic laser with ~14 W of true CW output at ~2.7 μm. This presents nearly ten-fold power increase with respect to previous best result with this laser material. We also believe this to be the highest power ever reported from Er3+ -doped bulk crystalline laser operating in a ~3-μm wavelength range. Power-scaled performance of 974-nm pumped Er3+:Y2O3 laser was achieved with the slope efficiency of ~26%.
ISSN:1094-4087
DOI:10.1364/OE.19.0A1082