Molecular dynamics study of rare-earth doped Mg-silicate nanoparticles in vitreous silica: from the preform to the fiber

J. Turlier; S. Chaussedent; X. Bidault; N. Balu Gaumer; D. Guichaoua; P. Raso; H. Fneich; A. Mehdi; D. R. Neuville; M. Vermillac; W. Blanc

doi:10.1117/12.2306777

17 May 2018 Molecular dynamics study of rare-earth doped Mg-silicate nanoparticles in vitreous silica: from the preform to the fiber

J. Turlier, S. Chaussedent, X. Bidault, N. Balu Gaumer, D. Guichaoua, P. Raso, H. Fneich, A. Mehdi, D. R. Neuville, M. Vermillac, W. Blanc

Author Affiliations +

Proceedings Volume 10683, Fiber Lasers and Glass Photonics: Materials through Applications; 106832W (2018) https://doi.org/10.1117/12.2306777
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

Formation of rare-earth doped nanoparticles into silica matrix has been modelized by Molecular Dynamics simulations. Preforms with molar composition 0.10MgO–0.90SiO₂ and 0.01EuO_3/2–0.10MgO–0.89SiO₂ have been investigated to have an insight on the structure and chemical composition of the nanoparticles, as well as the rare-earth ions local environment and their clustering. We have finally applied a uniaxal elongation of the rare-earth doped preform in order to mimic the drawing step that changes a preform into a fiber. We present herein first results on the modification of the nanoparticles size distribution.

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J. Turlier, S. Chaussedent, X. Bidault, N. Balu Gaumer, D. Guichaoua, P. Raso, H. Fneich, A. Mehdi, D. R. Neuville, M. Vermillac, and W. Blanc "Molecular dynamics study of rare-earth doped Mg-silicate nanoparticles in vitreous silica: from the preform to the fiber", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 106832W (17 May 2018); https://doi.org/10.1117/12.2306777

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