Spectroscopic properties of rare earth doped germanate glasses

R. Jadach; J. Zmojda; M. Kochanowicz; P. Miluski; M. Lesniak; M. Sołtys; J. Pisarska; W. A. Pisarski; A. Lukowiak; M. Sitarz; D. Dorosz; M. Ferrari; G. Righini

doi:10.1117/12.2322626

17 May 2018 Spectroscopic properties of rare earth doped germanate glasses

R. Jadach, J. Zmojda, M. Kochanowicz, P. Miluski, M. Lesniak, M. Sołtys, J. Pisarska, W. A. Pisarski, A. Lukowiak, M. Sitarz, D. Dorosz, M. Ferrari, G. Righini

Author Affiliations +

Proceedings Volume 10683, Fiber Lasers and Glass Photonics: Materials through Applications; 1068316 (2018) https://doi.org/10.1117/12.2322626
Event: SPIE Photonics Europe, 2018, Strasbourg, France

Abstract

Structural and optical properties of Eu³⁺ doped barium-gallo-germanate glasses modified with antimony and tellurium oxides were investigated. Barium ions are gradually replaced by antimony and tellurium ions to create two glass series. Structural properties of prepared series were established with help of FT-IR spectroscopy, X-ray diffraction method and observation under Scanning Electron Microscope (SEM). MIR spectra of studied glasses indicate a tendency to glass structure polymerization through the observed shift of main band assigned to Ge-O-Ge and Ge-O bonds vibrations. Simultaneously luminescence spectrum of Eu³⁺ ion (Electric/Magnetic – ED/EM dipole transition intensity ratio) for both glass series presented the increasing tendency to ordering of Eu³⁺ local environment. It was also proved that tetrahedral [TeO₄] units were created in glass structure which were modified with TeO₂ when addition exceed 10 mol%. The result indicates decrease of ED/MD ratio as a function of TeO₂ content above its 10 mol%.

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R. Jadach, J. Zmojda, M. Kochanowicz, P. Miluski, M. Lesniak, M. Sołtys, J. Pisarska, W. A. Pisarski, A. Lukowiak, M. Sitarz, D. Dorosz, M. Ferrari, and G. Righini "Spectroscopic properties of rare earth doped germanate glasses", Proc. SPIE 10683, Fiber Lasers and Glass Photonics: Materials through Applications, 1068316 (17 May 2018); https://doi.org/10.1117/12.2322626

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