Synthesis and luminescence studies of CaF2:Yb:Pr solid solutions powders for photonics
SV Kuznetsov, OA Morozov, VG Gorieva… – Journal of Fluorine Chemistry 2018- Optics Letters, 2018 Abstract Praseodymium and ytterbium-doped calcium fluoride powder samples were prepared by co-precipitation from aqueous solutions followed by annealing at 600 °C....AlGaAs-based vertical-external-cavity surface-emitting laser exceeding 4 W of direct emission power in the 740–790 nm spectral range
H Kahle, K Nechay, JP Penttinen, A Tukiainen, S Ranta… – Optics Letters, 2018 Abstract An optically pumped vertical-external-cavity surface-emitting laser (VECSEL) for direct emission in the 740–790 nm wavelength region is reported. The gain structure is based...Alexandrite spectroscopic and laser characteristic investigation within a 78–400 K temperature range
M Fibrich, J Šulc, D Vyhlídal, H Jelínková, M Čech – Laser Physics, 2017 Abstract We report on the influence of temperature on the spectroscopic and lasing properties of alexandrite () crystal. The fluorescence lifetime, polarization-resolved absorption and...High-power 2.04 μm laser in an ultra-compact Ho-doped lead germanate fiber
PW Kuan, X Fan, X Li, D Li, K Li, L Zhang, C Yu, L Hu – Optics Letters, 2016 A highly Ho-doped single-mode lead germanate glass fiber is developed for compact ∼2 μm lasers. Over 600 mW of laser output operating at 2.04 μm is demonstrated in a 2 cm-long active...Cryogenic Ho:CaF2 laser pumped by Tm:fiber laser
M Jelínek, V Kubeček, W Ma, B Zhao, D Jiang, L Su – Laser Physics Letters, 2016 The laser operation in the pulsed as well as continuous-wave regime of a modified-Bridgeman-grown 0.5 at.% Ho:CaF2 crystal at 83 K pumped by a Tm:fiber laser is reported. The maximum...
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