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15 February 2011 Lasing properties of new Yb-doped borate compounds with varying gadolinium and yttrium concentration
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Abstract
We show spectroscopic and lasing properties of new ytterbium-doped borate compounds with the structure Li6(Gd(1- x)Yx)0.75Yb0.25(BO3)3 with x = 0, 0.25, 0.5, 0.75 and 1, respectively. All compounds show large emission spectra suitable for femtosecond pulse generation. We studied the laser performances in a diode-pumped linear laser cavity on about 1- mm-thick crystal samples having an ytterbium doping concentration of 22 %. The compounds show all cw lasing at wavelengths around 1040 to 1060 nm with a slope efficiency of 32 %. The maximum observed output power was 460 mW at an incident pump power of 1.6 W at 972 nm.
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Inka Manek-Hönninger, Marie Chavoutier, Véronique Jubera, Dominique Descamps, Philippe Veber, Matias Velazquez, A. Garcia, and L. Canioni "Lasing properties of new Yb-doped borate compounds with varying gadolinium and yttrium concentration", Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79121L (15 February 2011); https://doi.org/10.1117/12.873716
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