Spectroscopy characteristics of Eu3+ doped zinc barium tellurite oxyfluoride glasses for laser materials

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Patarawegee Yasaka
Yaowalak Yamsuk
Jakrapong Kaewkhao
Narong Sangwaranateec


Eu3+ doped tellurite glasses samples (55-x)TeO2-10ZnF2-35BaO-xEu2O3 (where x = 0, 0.05, 0.1, 0.5, 1.0 and 1.5 mol%) were prepared. Their physical and optical properties were studied through absorption, luminescence and decay time measurements. An intense red luminescence was observed due to 5D0gif.latex?\to7F2 transition of Eu3+ ion in these glasses that were studied. The optical spectra of glasses showed two discrete absorption bands at 2074 nm and 2207 nm. These were thought to be due to the transitions of 7F0gif.latex?\to7F6 and 7F1gif.latex?\to7F6 respectively. The emission spectra were observed and assigned to 578, 591, 612, 652 and 700 nm by excitation at 465 nm. The emission intensity of Eu3+ increased with increasing concentration of Eu2O3. The experimental lifetime of the 5D0 level was found to be single exponential for all the glass samples that were studied. The results that were obtained are discussed and reported in this paper.

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Yasaka, P., Yamsuk, Y., Kaewkhao, J., & Sangwaranateec, N. (2019). Spectroscopy characteristics of Eu3+ doped zinc barium tellurite oxyfluoride glasses for laser materials. Interdisciplinary Research Review, 14(2), 44–47. Retrieved from https://ph02.tci-thaijo.org/index.php/jtir/article/view/189742
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