We describe highly efficient room temperature laser operation of Tm:KGd(WO4)2 on the 3F4→3H6 transition, tunability from 1790 to 2042nm and pump efficiency of 40%, and consider the effect of doping level, pump wavelength and polarization.
© 2005 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3380) Lasers and laser optics : Laser materials
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
V. Petrov, U. Griebner, F. Güell, J. Massons, J. Gavalda, R. M. Sole, M. Aguilo, and F. Diaz, "Tunable cw Lasing of Tm:KGd(WO4)2 near 2 µm," in Advanced Solid-State Photonics, Technical Digest (Optical Society of America, 2005), paper MB16.
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