Luminescence Properties of Tm3+/Ho3+ Doped BaF2 Nanocrystalline Fluorosilicate Glass Ceramics at 2.0 μm
Synthesis and Properties of Materials|更新时间:2021-01-12
|
Luminescence Properties of Tm3+/Ho3+ Doped BaF2 Nanocrystalline Fluorosilicate Glass Ceramics at 2.0 μm
Chinese Journal of LuminescenceVol. 42, Issue 1, Pages: 37-43(2021)
作者机构:
1.宁波大学高等技术研究院 红外材料及器件实验室, 浙江 宁波 315211
2.宁波海洋研究院, 浙江 宁波 315211
作者简介:
基金信息:
National Natural Science Foundation of China;National Natural Science Foundation of China;National Key Research and Development Program of China;National Key Research and Development Program of China;K. C. Wong Magna Fund in Ningbo University
2.0 μm band mid-infrared lasers have attracted more and more attention due to their applications in human eye safety
photoelectric detection
and generation of mid-infrared supercontinuum. In this paper
Tm
3+
ion doped and Ho
3+
/Tm
3+
co-doped 85SiO
2
-7.5KF-7.5BaF
2
(SKB) glass containing BaF
2
nanocrystalline were prepared by melt-quenching method. The Raman spectrum
absorption spectrum and mid-infrared fluorescence performances of the samples at 2.0 μm exited by 808 nm laser diode were studied. The optimal doping concentration of Ho
3+
/Tm
3+
was obtained during the experiment. The measured fluorescence spectra manifest that the maximal emission intensity of Ho
3+
:
5
I
7
→
5
I
8
at 2.0 μm can be achieved at the concentration of 1.0% Ho
2
O
3
and 1.0% Tm
2
O
3
in this component glass. Besides
the energy transfer mechanisms between Ho
3+
and Tm
3+
were also analyzed and discussed in detail. The results show that Tm
3+
/Ho
3+
co-doped SiO
2
-KF-BaF
2
glass ceramics can be used as the gain matrix for 2.0 μm band mid-infrared solid-state laser.
关键词
Keywords
references
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