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Power scaling of directly dual-end-pumped Nd:GdVO4 laser using grown-together composite crystal
1National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, 150080, Harbin, China. kevin2025@163.com
Optics Express
|April 15, 2010
Abstract:
Power scaling of end-pumped Nd:GdVO(4) laser was realized by direct pumping, grown-together composite crystal and dual-end-pumping. A maximum CW output power of 46.0W with M(2)<1.1 was achieved, corresponding to a slope efficiency of 71.1% to absorbed pump power. In A-O Q-switch operation, peak power of 304.1kW, 58.6kW and 23.8kW, pulse width of 7.2ns, 11.3ns and 16.2ns were obtained at the repetition rates of 10kHz, 50kHz and 100kHz, respectively.
