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采用高温熔融淬冷法制备了Tm3+/Ho3+掺杂的62SiO2-15Al_2O3-18CaF2-5ZnO氟硅酸盐微晶玻璃。测试了样品的差示扫描曲线、X射线衍射、吸收光谱和荧光光谱，研究了808 nm激发下Tm3+/Ho3+掺杂氟硅酸盐微晶玻璃的光谱性能和能量传递机理，分析了热处理制度对发光光谱的影响。研究发现：随着热处理时间的增加，衍射峰逐渐变得明显，析出的CaF2晶粒尺寸逐渐增大。源于Tm3+∶~3F4→Ho3+∶~5I7的能量传递，使得Tm_2O3作为良好的敏化剂有效地提高了Ho3+∶~5I7→~5I8跃迁的2.021μm的发光。Tm3+/Ho3+共掺样品的2.021μm发射强度在样品热处理制度为640℃保温3 h时达到最佳。
Abstract：Tm3+/Ho3+-doped 62 SiO2-15 Al2 O3-18 CaF2-5 ZnO fluorosilicate glass-ceramics were prepared using the high-temperature melting and quenching method. The differential scanning calorimetry curve, X-ray diffraction, absorption spectra, and fluorescence spectra of the samples were tested. The spectral properties and energy transfer mechanism of Tm3+/Ho3+-doped fluorosilicate glass-ceramics under 808 nm excitation were investigated. Simultaneously, the impact of the heat treatment system on luminescence spectra was analyzed. It was found that with increasing heat treatment time, the diffraction peaks gradually become more pronounced, and the size of the precipitated CaF2 grains gradually increases. The energy transfer from Tm3+∶~3F4 to Ho3+∶~5I7 enables Tm_2O3 to act as an effective sensitizer, significantly enhancing the 2.021 μm emission originating from the Ho3+∶~5I7 to ~5I8 transition. The 2.021 μm emission intensity of the Tm3+/Ho3+ co-doped sample reaches its optimum after being held at 640 ℃ for 3 h.
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基本信息:
DOI：10.16521/j.cnki.issn.1001-9642.2026.06.003
中图分类号:TN248;TQ171.733
引用信息:
[1]石冬梅,赵营刚,熊飞,等.Tm~(3+)/Ho~(3+)掺杂的氟硅酸盐玻璃发光性能研究[J].中国陶瓷,2026,62(06):22-28.DOI:10.16521/j.cnki.issn.1001-9642.2026.06.003.
基金信息:
广东省光纤激光材料与应用技术重点实验室开放基金资助(2025-1); 河南省自然科学基金（252300421340）; 河南省高等学校重点科研项目计划（25B430022）
2026-06-03
2026-06-03
2026-06-03