2 μm emission properties of Tm3+-doped fluorozirconate glass

被引：0

作者：

Zhang J. ^{[1
]}

Yu C. ^{[1
]}

Lai Y. ^{[1
]}

Zhang L. ^{[1
]}

Hu L. ^{[1
]}

机构：

[1] Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences

来源：

Guangxue Xuebao/Acta Optica Sinica | 2010年 / 30卷 / 05期

关键词：

2 μm emission properties; Fluorozirconate glass; Judd-Ofelt theory; Tm[!sup]3+[!/sup] ion;

D O I：

10.3788/AOS20103005.1422

中图分类号：

学科分类号：

摘要：

2 μm emission properties of Tm3+ in fluorozirconate glass were reported. The Judd-Ofelt (J-O) intensity parameters Ωt (t=2, 4, 6), spontaneous emission probability, fluorescence branching ratio, and the radiative lifetime were calculated on the basis of Judd-Ofelt theory by measuring the absorption spectra of the glass. The effects of Tm3+ ion concentration on the optical parameters were discussed. From the measured emission spectra of glass, it was found that the peak wavelength of Tm3+: 3F4→3H6 transition is located at 1.82 μm in the Tm3+-doped fluorozirconate glass. It was also found that the cross relaxation (3H4→3F4, 3F4→3H6) between the Tm3+ ions occurred with the Tm3+ ion concentration increasing, which leads to the increasing magnitude of 3F4→3H6 transition. Due to the concentration quenching mechanism of three-energy level ions, the intensity of luminescence decreased obviously. The stimulated emission cross section of Tm3+: 3F4→3H6 transition was calculated by using Mcumber theory. The results show that doping concentration has little effect on the emission cross section of Tm3+ in the present fluorozirconate glass.

引用

页码：1422 / 1426

页数：4

共 16 条

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