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A diode-pumped electro-optical (E-O) Q-switched 1063 nm Nd:GdVO4 laser was present. At the repetition rate of 100 kHz, the maximum average output power of 7.9 W was achieved at an incident pump power of 24.3 W, corresponding to an optical conversion efficiency of 32.5% and a slope efficiency of 38.5%, respectively. Furthermore, a minimum pulse width of 20.2 ns was also obtained at 100 kHz. To the...
Power scaling of end-pumped Nd:GdVO4 laser was realized by directly pumping and grown-together crystal. A maximum CW output power of 46.0W with M2 <; 1.1 was obtained. Effective A-O Q-switch operations were also reported.
We detail the comparison on laser performance of A-O Q-switching Nd:GdVO4 and Nd:YVO4 lasers operated at 1.06 mum. The results reveal that Nd:YVO4 crystal, compared with Nd:GdVO4 crystal, is a more favorable gain medium when higher repetition rates and shorter pulse width are desired, owning to its larger stimulated emission cross-section.
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