High peak-power fiber laser based on a non filamented-core fully-aperiodic large pitch fiber

A. Benoit; M. A. Malleville; R. Du Jeu; R. Dauliat; D. Darwich; R. Jamier; S. Grimm; Jens Kobelke; K. Schuster; P. Roy

doi:10.1117/12.2251870

22 February 2017 High peak-power fiber laser based on a non filamented-core fully-aperiodic large pitch fiber

A. Benoit, M. A. Malleville, R. Du Jeu, R. Dauliat, D. Darwich, R. Jamier, S. Grimm, Jens Kobelke, K. Schuster, P. Roy

Proceedings Volume 10083, Fiber Lasers XIV: Technology and Systems; 100831F (2017) https://doi.org/10.1117/12.2251870
Event: SPIE LASE, 2017, San Francisco, California, United States

Abstract

In this communication, the authors report on the first high peak-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 amplifier stage based on a 75 cm long piece of a fullyaperiodic large pitch fiber with a fiber core of 50 μm, an average output power of 95 W was achieved with an available pump power of 175 W, corresponding to an optical-to-optical efficiency of 54 %. The peak power reaches about 35 kW for pulse duration of 200 ps at a repetition rate of 13.5 MHz. A recent evolution of our set-up using a seeder delivering an average power of 4 W at 1 MHz with a pulse duration of 50 ps led to the emission of 71.4W in average power corresponding to a peak power of 1.42 MW. These results present the first demonstration of high average and high peak power in pulsed regime for these fibers.

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Citation Download Citation

A. Benoit, M. A. Malleville, R. Du Jeu, R. Dauliat, D. Darwich, R. Jamier, S. Grimm, Jens Kobelke, K. Schuster, and P. Roy "High peak-power fiber laser based on a non filamented-core fully-aperiodic large pitch fiber", Proc. SPIE 10083, Fiber Lasers XIV: Technology and Systems, 100831F (22 February 2017); https://doi.org/10.1117/12.2251870

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