12 March 2014 16W-pulsed green laser based on efficient frequency conversion of an Yb-doped fibre laser externally modulated by a semiconductor optical amplifier
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Abstract
We report on the development of a nanosecond green laser based on efficient frequency conversion of an Yb-doped fibre laser externally modulated by a semiconductor optical amplifier. The laser system uses commercially available fibers and operates with pulse durations in the range 3-40 ns and repetition rates in the range 50-800 kHz. A maximum conversion efficiency of 66 % and a maximum average output power of 16 W have been reached for a repetition rate of 250 kHz and a pulse duration of 8 ns while preserving a high beam quality.
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A. Haboucha, A. Mugnier, C. Pareige, A. Fernandez, T. Chartier, D. Pureur, "16W-pulsed green laser based on efficient frequency conversion of an Yb-doped fibre laser externally modulated by a semiconductor optical amplifier", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 89612H (12 March 2014); doi: 10.1117/12.2038323; https://doi.org/10.1117/12.2038323
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