Photodarkening and photobleaching of an ytterbium-doped silica double-clad LMA fiber - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Optics Express Année : 2007

Photodarkening and photobleaching of an ytterbium-doped silica double-clad LMA fiber

Résumé

We studied the temporal evolution of the photodarkening effect in an Yb-doped silica LMA fiber. The absorption spectra exhibit an increase in absorption in the visible and in the near infrared spectral range when the fiber is exposed to pump light around 980 nm. We show the influence of the photodarkening on the cw lasing properties of the fiber, and demonstrate photobleaching of the same fiber by exposure to UV light at 355 nm. The corresponding absorption spectra and lasing performances are shown and are entirely comparable to those of a new fiber

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Matériaux
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hal-00140561 , version 1 (01-03-2024)

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Paternité - Pas d'utilisation commerciale - Pas de modification

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Inka Manek-Hönninger, J. Boullet, Thierry Cardinal, François Guillen, S. Ermeneux, et al.. Photodarkening and photobleaching of an ytterbium-doped silica double-clad LMA fiber. Optics Express, 2007, 15 (4), pp.1606-1611. ⟨10.1364/OE.15.001606⟩. ⟨hal-00140561⟩

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