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Opt Lett. 2010 May 1;35(9):1341-3. doi: 10.1364/OL.35.001341.

Optical spectroscopy of bismuth-doped pure silica fiber preform.

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  • 1CERLA, FR CNRS 2416, University Lille 1, 59655 Villeneuve d'Ascq, France.


We report on the optical spectroscopy of monolithic fiber preform prepared from nanoporous bismuth-doped silica glass. The experiments reveal the existence of at least two different types of active centers and clearly demonstrate that the presence in the glass matrix of other dopant is not necessary to obtain the near-IR photoluminescence connected to Bismuth.

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