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We report here, for the first time, diode-pumped continuous-wave laser operation of Nd:LuYAG (LYAG) and Nd:LuGdAG (LGAG) mixed crystals around 1.83 μm. Cooling the laser samples down to about 6 °C, output powers of about 0.56 and 0.46 W with slope efficiencies of about 5.5% and 5.6% can be achieved, respectively, for the two crystals. These ${\rm{Nd}}^{3+ }{- \rm{doped}}$ garnet mixed crystals, like...
We report on a diode-pumped passively mode-locked picosecond Tm: $\hbox{CaGdAlO}_{4}$ (Tm:CALGO) laser using a semiconductor saturable absorber mirror as the mode locker. With Tm:CALGO disordered crystal as gain medium, the mode-locked laser generated pulses with pulse duration of 27 ps, repetition rate of 128.6 MHz, and maximum average power of 330 mW at 1949.5 nm. To the best of our knowledge,...
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