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Conferences > CLEO_Europe > 2013 > CE_P > CE_P_27
  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper CE_P_27

Photodarkening in optical fibres: comparative study of photo-induced defects using different photon sources

D. Milanese, M. Chiesa, S. Taccheo, K. Mattson, H. Gebavi, T. Robin, L. Lablonde, D. Mechin, A. Monteville, F. Freyria, and B. Bonelli

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Abstract

Yb-doped high power fibre lasers are attracting a lot of interest thanks to the unique combination of high efficiency, high beam quality, mechanical robustness and low maintenance costs [1]. However a phenomenon called “photodarkening” severely affects the performance of the lasers by gradually decreasing output power: the main problem is the occurrence of so called absorption centres in the laser system which may lead in time to a decrease of device performance [2].

© 2013 IEEE

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