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8 May 2012 Spectroscopic properties of newly flux grown RE2O3:Yb3+ (RE=Y,Lu) laser crystals for high-power diode-pumped systems
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Abstract
Developing large laser grade cubic rare-earth sesquioxides (RE2O3, RE=Y,Sc,Lu) single crystals doped with Yb3+ ions stands as one of the most challenging endeavours of today's crystal growth1,2. Recent studies on cubic RE2O3 single crystals have demonstrated their laser potential and highlighted the extreme thermodynamic conditions in which their growth takes place1-3. In particular, the laser performances of Lu2O3:Yb3+ crystals make them likely to outperform betterknown rivals such as YAG:Yb3+ or KY(WO4)2:Yb3+ for 976 nm diode-pumped systems4. Several mm3-sized Yb3+-doped Y2O3, Gd2O3 and Lu2O3 single crystals were recently grown by a newly designed high-temperature solution growth method5, and characterized by means of X-ray diffraction, Fourier transformed infrared (FTIR) spectroscopy and electron probe microanalysis (EPMA). Spectroscopic characterizations (absorption and emission cross sections, visible anti-Stokes emission, fluorescence decays) of these new cubic RE2O3:Yb3+ (RE=Y,Lu) single crystals are presented.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Gabriel Buse, M. Velázquez, Philippe Veber, Véronique Jubera, Yannick Petit, Stanislav Péchev, Oudomsack Viraphong, Rodolphe Decourt, Anaël Jaffres, Patrick Aschehoug, and Gérard Aka "Spectroscopic properties of newly flux grown RE2O3:Yb3+ (RE=Y,Lu) laser crystals for high-power diode-pumped systems", Proc. SPIE 8433, Laser Sources and Applications, 84331B (8 May 2012); https://doi.org/10.1117/12.921785
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