Effect of NaF doping on the transparency, microstructure and spectral properties of Yb3+: CaF2 transparent ceramics
Effect of NaF doping on the transparency, microstructure and spectral properties of Yb3+: CaF2 transparent ceramics
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NaF掺杂对Yb3:CaF2透明陶瓷透明度、显微结构和光谱性能的影响
DOI：
10.1016/j.jeurceramsoc.2020.06.001
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发表时间：
2020-10
影响因子：
5.7
通讯作者：
Song Jinghong
中科院分区：
文献类型：
--
作者：
Li Weiwei;Jing Wei;Mei Bingchu;Zhai Pengfei;Yang Yu;Song Jinghong
Yb3+:CaF2transparent ceramics are promising laser gain media with outstanding performance. However, low transmittance in the visible range is the main challenge that restricts the application of Yb3+:CaF2ceramics in the laser system. In this paper, a new scheme to eliminate the residual pores in the Yb3+:CaF2transparent ceramics based on doping of NaF as a sintering aid is proposed. Microstructural characterization indicated that NaF could inhibit the grain growth and increase the transmittance in the visible range significantly. The corresponding transmittance was measured to be 85% at the wavelength of 400 nm. The spectra results showed that co-doped with Na+ions could break the clusters of Yb3+ions and modulate the spectroscopy properties of Yb3+: CaF2lattice efficiently. This paper proved that doping with NaF is an efficient strategy to improve the transmittance and fluorescence quantum efficiency of Yb3+:CaF2transparent ceramics.
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