Luminescence and Mechanism of Energy Transfer of Er3+ /Tm3+-codoped Ga5Ge20Sb10S65 Glass

HUANG Zheng-yu; DAI Shi-xun; LIN Chang-gui; WANG Xun-si; SHEN Xiang; XU Tie-feng; NIE Qiu-

doi:10.3788/fgxb20113206.0565

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Luminescence and Mechanism of Energy Transfer of Er³⁺ /Tm³⁺-codoped Ga₅Ge₂₀Sb₁₀S₆₅ Glass

paper | 更新时间：2020-08-12

- Luminescence and Mechanism of Energy Transfer of Er³⁺ /Tm³⁺-codoped Ga₅Ge₂₀Sb₁₀S₆₅ Glass
- Chinese Journal of Luminescence Vol. 32, Issue 6, Pages: 565-570(2011)
- 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：
  
  Sponsored by K. C. Wong Magna Fund in Ningbo University
- DOI：10.3788/fgxb20113206.0565
  CLC： O482.31
- Received：22 November 2010，
  
  Revised：10 December 2010，
  
  Published Online：22 June 2011，
  
  Published：22 June 2011
- 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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