Photodarkening measurements in Yb-doped silica fibers in correlation with cooperative luminescence

Hrvoje Gebavi; Stefano Taccheo; Daniel Milanese; Achille Monteville; Olivier Le Goffic; David Landais; David Mechin; Denis Tregoat; Benoit Cadier; Thierry Robin

doi:10.1117/12.948281

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15 May 2012 Photodarkening measurements in Yb-doped silica fibers in correlation with cooperative luminescence

Hrvoje Gebavi, Stefano Taccheo, Daniel Milanese, Achille Monteville, Olivier Le Goffic, David Landais, David Mechin, Denis Tregoat, Benoit Cadier, Thierry Robin

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Proceedings Volume 8433, Laser Sources and Applications; 843322 (2012) https://doi.org/10.1117/12.948281
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

In this study, detailed investigation of photodarkening in Yb - doped aluminosilicate fibers is reported. The cooperative luminescence loss influenced by photodarkening is measured simultaneously with 633 nm probe loss. The quadratic dependence of photodarkening and cooperative luminescence versus dopant concentration was observed. The results indicated lower cooperative luminescence loss at 513 nm than expected and provided new pieces of information to the photodarkening mechanism description.

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Hrvoje Gebavi, Stefano Taccheo, Daniel Milanese, Achille Monteville, Olivier Le Goffic, David Landais, David Mechin, Denis Tregoat, Benoit Cadier, and Thierry Robin "Photodarkening measurements in Yb-doped silica fibers in correlation with cooperative luminescence", Proc. SPIE 8433, Laser Sources and Applications, 843322 (15 May 2012); https://doi.org/10.1117/12.948281

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