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Effects of F- on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass

Abstract : 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.
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https://hal-univ-lyon1.archives-ouvertes.fr/hal-02305584
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Submitted on : Friday, October 4, 2019 - 12:43:22 PM
Last modification on : Thursday, April 2, 2020 - 10:48:05 AM

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Wenbin Xu, Chunlei Yu, Shikai Wang, Fengguang Lou, Suya Feng, et al.. Effects of F- on the optical and spectroscopic properties of Yb3+/Al3+-co-doped silica glass. Optical Materials, Elsevier, 2015, 42, pp.245-250. ⟨10.1016/j.optmat.2014.12.039⟩. ⟨hal-02305584⟩

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