Fluorescent Characteristics of Er3+ Doped Chalcogenide Glass Microsphere Under 980 nm LD Pumping

LYU She-qin; WU Yue-hao; LU Lai-wei; LI Chao-ran; ZHANG Pei-qing; ZHANG Wei; DAI Shi-xun

doi:10.3788/fgxb20143504.0454

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Fluorescent Characteristics of Er³⁺ Doped Chalcogenide Glass Microsphere Under 980 nm LD Pumping

更新时间：2020-08-12

- Fluorescent Characteristics of Er³⁺ Doped Chalcogenide Glass Microsphere Under 980 nm LD Pumping
- Chinese Journal of Luminescence Vol. 35, Issue 4, Pages: 454-459(2014)
- 作者机构：
  
  宁波大学高等技术研究院红外材料与器件实验室,浙江宁波,315211
- 作者简介：
- 基金信息：
  
  973"Sponsored by K. C. Wong Magna Fund in Ningbo University
- DOI：10.3788/fgxb20143504.0454
  CLC： O433;O482.31
- Received：23 October 2013，
  
  Revised：15 January 2014，
  
  Published：03 April 2014
- 稿件说明：
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吕社钦, 吴越豪, 路来伟等. Er3+掺杂硫系玻璃微球在980nm激光泵浦下的荧光特性[J]. 发光学报, 2014,35(4): 454-459

LYU She-qin, WU Yue-hao, LU Lai-wei etc. Fluorescent Characteristics of Er3+ Doped Chalcogenide Glass Microsphere Under 980 nm LD Pumping[J]. Chinese Journal of Luminescence, 2014,35(4): 454-459
吕社钦, 吴越豪, 路来伟等. Er3+掺杂硫系玻璃微球在980nm激光泵浦下的荧光特性[J]. 发光学报, 2014,35(4): 454-459 DOI： 10.3788/fgxb20143504.0454.

LYU She-qin, WU Yue-hao, LU Lai-wei etc. Fluorescent Characteristics of Er3+ Doped Chalcogenide Glass Microsphere Under 980 nm LD Pumping[J]. Chinese Journal of Luminescence, 2014,35(4): 454-459 DOI： 10.3788/fgxb20143504.0454.

摘要

采用玻璃粉料高温漂浮熔融法制备了0.9%Er

（质量分数）：75%GeS

-15%Ga

-10%CsI（摩尔分数）硫系玻璃微球，并用熔融拉锥法制备了锥腰直径为2.31 m的石英光纤锥。将其与直径119 m的硫系微球进行耦合，在980 nm 激光泵浦下获得了微球中与Er

：

13/2

15/2

跃迁对应的1.54 m处的荧光光谱。分析了微球和块状玻璃荧光光谱差异的原因，并用Mie散射理论公式对微球荧光光谱共振峰间隔进行了计算。共振峰间隔实验结果与理论计算误差最小仅为0.05%，验证了理论分析的正确性。最后，讨论了微球峰值间隔与泵浦功率的关系，排除了泵浦功率对共振峰间隔的影响。

Abstract

Chalcogenide glass microspheres were fabricated by high temperature melting floating glass powder method. The glass composition was 0.9%Er

(mass fraction):75%GeS

-15%Ga

-10%CsI(mole fraction). A quartz fiber taper with a 2.31 m waist diameter was drew at fuse and used to couple a 119 m diameter chalcogenide microsphere with a 980 nm LD pumping source. Fluorescence spectra with apparent resonance peaks were observed near 1.54 m(Er

13/2

15/2

). The difference of microsphere and bulk glass fluorescent spectrum was analyzed and the locations and separations of those resonance peaks were calculated using the Mie scatter theory. It is found that the theoretical results match the experimental results well

and the minimum error is only 0.05%. At last

we discussed the relationship of pump power and microsphere fluorescent peak gap

and removed the influence of pump power having on fluorescent peak gap.

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references

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