http://hdl.handle.net/20.500.12128/22342
Tytuł: | Investigation of the TeO2/GeO2 Ratio on the Spectroscopic Properties of Eu3+-Doped Oxide Glasses for Optical Fiber Application |
Autor: | Lesniak, Magdalena Zeid, Jakub Starzyk, Bartłomiej Kochanowicz, Marcin Kuwik, Marta Zmojda, Jacek Miluski, Piotr Baranowska, Agata Dorosz, Jan Pisarski, Wojciech Pisarska, Joanna Dorosz, Dominik |
Słowa kluczowe: | oxide glasses; TeO2/GeO2 molar ratios; DSC; Eu3+ structural and spectroscopic probe; structure; PLE; PL; PSB; R ratio; decay time |
Data wydania: | 2022 |
Źródło: | "Materials", 2022, iss. 1, art. no. 117, s. 1-23 |
Abstrakt: | This study presented an analysis of the TeO2/GeO2 molar ratio in an oxide glass system. A family of melt-quenched glasses with the range of 0–35 mol% of GeO2 has been characterized by using DSC, Raman, MIR, refractive index, PLE, PL spectra, and time-resolved spectral measurements. The increase in the content of germanium oxide caused an increase in the transition temperature but a decrease in the refractive index. The photoluminescence spectra of europium ions were examined under the excitation of 465 nm, corresponding to 7F0 → 5D2 transition. The PSB (phonon sidebands) analysis was carried out to determine the phonon energy of the glass hosts. It was reported that the red (5D0 → 7F2) to orange (5D0 → 7F1) fluorescence intensity ratio for Eu3+ ions decreased from 4.49 (Te0Ge) to 3.33 (Te15Ge) and showed a constant increase from 4.58 (Te20Ge) to 4.88 (Te35Ge). These optical features were explained in structural studies, especially changes in the coordination of [4]Ge to [6]Ge. The most extended lifetime was reported for the Eu3+ doped glass with the highest content of GeO2. This glass was successfully used for the drawing of optical fiber. |
URI: | http://hdl.handle.net/20.500.12128/22342 |
DOI: | 10.3390/ma15010117 |
ISSN: | 1996-1944 |
Pojawia się w kolekcji: | Artykuły (WNŚiT) |
Plik | Opis | Rozmiar | Format | |
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Kuwik_et_al_Investigation_of_the_TeO2-GeO2.pdf | 6,21 MB | Adobe PDF | Przejrzyj / Otwórz |
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