9 March 2016 High-power fiber laser based on a non filamented-core fully-aperiodic large pitch fiber
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Abstract
In this communication, the authors report on the first high power emission obtained using a solid non-filamented core fully-aperiodic large pitch fiber manufactured by the REPUSIL method which is based on the sintering and vitrification of micrometric doped silica powders. Using a simple laser cavity, an average output power of 252 W was achieved for the first time in such a fiber with an available pump power of 400 W, corresponding to an optical-to-optical efficiency of 63 %. The M2 measurements have shown an excellent beam quality with values close to 1.4 at full power and lower than 1.3 for signal power lower than 215 W.
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A. Benoit, A. Benoit, R. Dauliat, R. Dauliat, D. Darwich, D. Darwich, R. Jamier, R. Jamier, S. Grimm, S. Grimm, Jens Kobelke, Jens Kobelke, K. Schuster, K. Schuster, P. Roy, P. Roy, "High-power fiber laser based on a non filamented-core fully-aperiodic large pitch fiber", Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97280H (9 March 2016); doi: 10.1117/12.2212622; https://doi.org/10.1117/12.2212622
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