Chinese Optics Letters, 2010, 8 (2): 197, Published Online: Mar. 5, 2010  

Enhancement of up-conversion luminescence properties in Yb3+/Tm3+/Er3+ tri-doped transparent oxyfluoride tellurite glass ceramics Download: 696次

Author Affiliations
Key Laboratory of Material Science and Technology for High Power Lasers, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract
Optically transparent Er<sup>3+</sup>/Tm<sup>3+</sup>/Yb<sup>3+</sup> tri-doped oxyfluoride tellurite based nano-crystallized glass ceramics with the batching composition of 73TeO<sub>2</sub>-15ZnO-7ZnF<sub>2</sub>-3YF<sub>3</sub>-1.5YbF<sub>3</sub>-0.3ErF<sub>3</sub>-0.2TmF<sub>3</sub> (mol%) is prepared by a conventional melting quenching and the subsequent heat treatment processes. The sizes of grown nano-crystals in glass matrix appear to be smaller than 100 nm from the scanning electron microscope measurement. Visible up-conversion luminescence of the as melted glass and glass ceramics is investigated. The three-color up-conversion luminescence intensities by 980-nm pumping are increased significantly due to the heat treatment, and the blue intensity increases with a higher magnitude than other wavelengths after heat treatment.

Chunlei Yu, Dongbing He, Guonian Wang, Junjie Zhang, Lili Hu. Enhancement of up-conversion luminescence properties in Yb3+/Tm3+/Er3+ tri-doped transparent oxyfluoride tellurite glass ceramics[J]. Chinese Optics Letters, 2010, 8(2): 197.

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