High-energy Q-switched fiber laser based on the side-pumped active fiber |
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Authors: | S. M. Kobtsev S. V. Kukarin Y. S. Fedotov |
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Affiliation: | (1) Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia |
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Abstract: | A relatively simple fiber-laser system that is based on a dual fiber, is pumped by a single CW source with an output power of 12 W (976 nm), and provides an output pulse energy of up to 110 μJ at a wavelength of 1080 nm is demonstrated for the first time. The output-pulse repetition rate and duration can be varied in the ranges 45–140 kHz and 0.28–1.80 μs, respectively, with a variation in the pumping power. The maximum output power is 5 W. It is demonstrated that the generation instability observed at an output power of greater than 5 W gives rise to giant pulses that can induce the supercontinuum generation in the range 530–1750 nm in a relatively short microstructured fiber. |
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