20 May 2015 Resonantly pumped Kerr-lens mode-locked Er:YVO4 laser
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We report on a Kerr lens, self-mode-locked Er3+:YVO4 laser, based on the high third order nonlinearity of the gain medium. The Er3+:YVO4 is resonantly pumped by a CW Er-fiber laser into the absorption band around 1538 nm and operates at ~ 1604 nm with a 1.8 W average output power and ~ 40% slope efficiency relative to the absorbed pump. The laser yields a pulse train at a 240 MHz repetition rate. The pulsewidth is estimated to fall between 15 and 100 psec.
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Viktor Fromzel, Viktor Fromzel, Nikolay Ter-Gabrielyan, Nikolay Ter-Gabrielyan, } "Resonantly pumped Kerr-lens mode-locked Er:YVO4 laser", Proc. SPIE 9466, Laser Technology for Defense and Security XI, 946608 (20 May 2015); doi: 10.1117/12.2181873; https://doi.org/10.1117/12.2181873

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