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CW Laser Operation of KLu0.945Tm0.055(WO4)2ndash;KLu(WO4)2 Epilayers Near 2 μm

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7 Author(s)
Silvestre, O. ; Univ. Rovira i Virgili, Tarragona ; Pujol, M.C. ; Aguilo, M. ; Diaz, F.
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Thin epilayers of monoclinic KLu(WO4)2 doped with thulium are grown by liquid phase epitaxy on undoped KLu(WO4 )2 substrates. The epitaxial composites are optically characterized and implemented in a cavity, longitudinally pumped (normal to the layer) by a Ti:sapphire laser. Tunable (1894-2039 nm) continuous-wave laser operation is achieved with maximum slope efficiency as high as 64% with respect to the absorbed pump power at 802 nm. The output power is limited by the crystal absorption

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Quantum Electronics, IEEE Journal of  (Volume:43 ,  Issue: 3 )