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Continuous-wave and Q-switched Tm-doped KY(WO_4)_2 planar waveguide laser at 184 µm
2011
Optics Express
High-quality monoclinic planar waveguide crystals of Tm-doped KY(WO 4 ) 2 codoped with Gd 3+ and Lu 3+ were grown by liquid-phase epitaxy. For the first time, planar waveguide lasing was demonstrated in a monolithic cavity in the 2 µm spectral range. The laser was operated in the Q-switched mode using a Cr 2+ :ZnSe crystal as saturable absorber and in the continuous-wave regimes. The Q-switched planar waveguide laser delivered pulse energies up to 120 nJ at a repetition rate of 7 kHz.
doi:10.1364/oe.19.001449
pmid:21263686
fatcat:ibaonzaf7ja3rndeeuqtmv7dwe