4 March 2015 Power scaling of Raman fiber lasers
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Raman fiber laser is an efficient way to expand the spectral coverage of fiber lasers. In recent years, output power of Raman fiber laser has been scaled quickly. There is a great potential in further power scaling, technical innovations, and scientific applications. An integrated ytterbium-Raman fiber amplifier architecture was proposed, which allows power scaling of Raman fiber laser to over kilowatt and more. Hundred watt level single frequency Raman fiber amplifier was achieved, which allows the generation of high power sodium guide star laser. New scheme of cladding pumped Raman fiber laser is studied in order to improve the brightness enhancement. Furthermore, possible application in spectral beam combing is discussed.
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Yan Feng, Yan Feng, Lei Zhang, Lei Zhang, Huawei Jiang, Huawei Jiang, "Power scaling of Raman fiber lasers", Proc. SPIE 9344, Fiber Lasers XII: Technology, Systems, and Applications, 93440U (4 March 2015); doi: 10.1117/12.2086852; https://doi.org/10.1117/12.2086852

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