Er3+ /Tm3+共掺杂Ga5Ge20Sb10S65玻璃的发光特性及能量传递

黄正裕; 戴世勋; 林常规; 王训四; 沈祥; 徐铁峰; 聂秋华

doi:10.3788/fgxb20113206.0565

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Er³⁺ /Tm³⁺共掺杂Ga₅Ge₂₀Sb₁₀S₆₅玻璃的发光特性及能量传递

材料合成及性能研究 | 更新时间：2020-08-12

- Er³⁺ /Tm³⁺共掺杂Ga₅Ge₂₀Sb₁₀S₆₅玻璃的发光特性及能量传递
- Luminescence and Mechanism of Energy Transfer of Er³⁺ /Tm³⁺-codoped Ga₅Ge₂₀Sb₁₀S₆₅ Glass
- 发光学报 2011年32卷第6期页码：565-570
- 作者机构：
  
  1. 宁波大学信息科学与工程学院,浙江宁波,315211
  2. 中国人民解放军91765部队,浙江温州,325011
- 作者简介：
- 基金信息：
  
  国家自然科学基金(60878042,60978058)();浙江省杰出青年基金(R1101263)();宁波市科技创新团队项目(2009B21007)();宁波大学王宽
- DOI：10.3788/fgxb20113206.0565
  中图分类号： O482.31
- 收稿日期：2010-11-22，
  
  修回日期：2010-12-10，
  
  网络出版日期：2011-06-22，
  
  纸质出版日期：2011-06-22
- 稿件说明：
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黄正裕, 戴世勋, 林常规, 王训四, 沈祥, 徐铁峰, 聂秋华. Er3+ /Tm3+共掺杂Ga5Ge20Sb10S65玻璃的发光特性及能量传递[J]. 发光学报, 2011,32(6): 565-570

HUANG Zheng-yu, DAI Shi-xun, LIN Chang-gui, WANG Xun-si, SHEN Xiang, XU Tie-feng, NIE Qiu-hua. Luminescence and Mechanism of Energy Transfer of Er3+ /Tm3+-codoped Ga5Ge20Sb10S65 Glass[J]. Chinese Journal of Luminescence, 2011,32(6): 565-570
黄正裕, 戴世勋, 林常规, 王训四, 沈祥, 徐铁峰, 聂秋华. Er3+ /Tm3+共掺杂Ga5Ge20Sb10S65玻璃的发光特性及能量传递[J]. 发光学报, 2011,32(6): 565-570 DOI： 10.3788/fgxb20113206.0565.

HUANG Zheng-yu, DAI Shi-xun, LIN Chang-gui, WANG Xun-si, SHEN Xiang, XU Tie-feng, NIE Qiu-hua. Luminescence and Mechanism of Energy Transfer of Er3+ /Tm3+-codoped Ga5Ge20Sb10S65 Glass[J]. Chinese Journal of Luminescence, 2011,32(6): 565-570 DOI： 10.3788/fgxb20113206.0565.

摘要

采用高温熔融急冷法制备了系列Er

/Tm

共掺杂的Ga

玻璃

测试了样品的吸收光谱

以及分别在980 nm 和800 nm LD激发下样品的荧光光谱。运用Judd-Ofelt理论计算了Er

离子在Ga

玻璃中的强度参数

(i=2

6)、自发辐射跃迁几率

和辐射寿命

等光谱参数。掺杂Tm

离子主要是为了降低Er

∶

13/2

的能级寿命

这是因为Er

∶

13/2

∶

两个能级之间发生了能量传递

从而增加Er

离子在

11/2

能级与

13/2

能级之间发生粒子数反转的可能。结果表明

/Tm

共掺杂Ga

玻璃随着Tm

离子浓度的增加

2.76 m处的中红外荧光先增强

然后有所减弱。

Abstract

/Tm

-codoped Ga

glasses were prepared by traditional melt-quenching method. Fluorescence spectra were investigated under 980 nm and 800 nm LD excitation. Combined with their absorption spectra

the Judd-Ofelt intensity parameters

spontaneous transition probabilities

and rediative lifetomes

for Er

ion were calculated by Judd-Ofelt theory. Due to the energy transfer from

13/2

of Er

of Tm

the addition of Tm

significantly reduced the lifetime of the

13/2

level of Er

that in turn increase the possibility of population inversion between the

11/2

and

13/2

levels of Er

. It is learned that the intensity of 2.76 m mid-infrared fluorescence firstly increased

and then dropped in the Er

/Tm

-doped Ga

glasses with the increase of Tm

ion concentration.

关键词

Keywords

references

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