Abstract
We report continuous-wave (CW) and passively Q-switched Nd :GdVO4 lasers on 4F3/2 → 4I13/2 transition directly pumped by an 880 nm diode laser. A widely investigated Nd :GdVO4 laser at about 1341 nm is operated with a maximum output power of 5.23 W and a slope efficiency of about 30.6%. Using an etalon for wavelength selection, we realize laser emission at about 1344 nm, for the first time to our knowledge, in a Nd :GdVO4 laser, with a maximum output power of 4.19 W and a slope efficiency of 20.1%. Moreover, we achieve simultaneous dual-wavelength lasing at 1341 and 1344 nm with a maximum output power of 2.27 W and a slope efficiency of 13.5%, respectively. Using V3+ :YAG as a saturable absorber, stable Q switching is obtained at about 1341 nm with a maximum average output power of 1.15 W. The pulse width is 52.8 ns at a repetition rate of 279.8 kHz.
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Zhu, C., Lin, H., Mu, R. et al. Dual-Wavelength and Passively Q-Switched Nd :GdVO4 Lasers Operated at 1.34 μm Under 880 nm Diode Pumping. J Russ Laser Res 43, 482–488 (2022). https://doi.org/10.1007/s10946-022-10073-y
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DOI: https://doi.org/10.1007/s10946-022-10073-y