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Inne
Effects of F- on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass.
Autorzy
Rok wydania
2015
Czasopismo
Numer woluminu
42
Strony
245-250
DOI
10.1016/j.optmat.2014.12.039
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Yb3+/Al3+-co-doped silica glasses with different F− content were prepared in this work by sol–gel method combined with high temperature sintering. XRF, FTIR and XPS methods were used to confirm the presence of F−. The effects of F− on the optical and spectroscopic properties of these glasses have been investigated. It is worth to notice that the F−/Si4+ mass ratio equal to 9% is a significant value showing a real change in the variation trends of numerous following parameters: refractive index, UV absorption edge, absorption and emission cross sections, scalar crystal-field NJ and fluorescent lifetimes. Furthermore, introduction of F− can adjust the refractive index of Yb3+/Al3+-co-doped silica glass and it is useful for large mode area (LMA) fibers.
Słowa kluczowe
silica glass, Yb+ spectroscopy, F and Al influences, refractive index
Adres publiczny
http://dx.doi.org/10.1016/j.optmat.2014.12.039
Strona internetowa wydawcy
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