Infrared Optical Properties of Er3+ Doped Na5Lu9F32 Single Crystal

TANG Qing-yang; WANG Cheng; XIA Hai-ping; HE Shi-nan; JIANG Hao-chuan; CHEN Bao-jiu

doi:10.3788/fgxb20163710.1189

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Infrared Optical Properties of Er³⁺ Doped Na₅Lu₉F₃₂ Single Crystal

更新时间：2020-08-12

- Infrared Optical Properties of Er³⁺ Doped Na₅Lu₉F₃₂ Single Crystal
- Chinese Journal of Luminescence Vol. 37, Issue 10, Pages: 1189-1194(2016)
- 作者机构：
  
  1. 宁波大学光电子功能材料重点实验室,浙江宁波,315211
  2. 中国科学院宁波材料技术与工程研究所,浙江宁波,315211
  3. 大连海事大学物理系, 辽宁大连 116026
- 作者简介：
- 基金信息：
  
  Sponsored by K. C. Wong Magna Fund in Ningbo University
- DOI：10.3788/fgxb20163710.1189
  CLC： O482.31
- Received：05 May 2016，
  
  Revised：15 June 2016，
  
  Published：05 October 2016
- 稿件说明：
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汤庆阳, 王成, 夏海平等. Er3+掺杂Na5Lu9F32单晶体的红外光学特性[J]. 发光学报, 2016,37(10): 1189-1194

TANG Qing-yang, WANG Cheng, XIA Hai-ping etc. Infrared Optical Properties of Er3+ Doped Na5Lu9F32 Single Crystal[J]. Chinese Journal of Luminescence, 2016,37(10): 1189-1194
汤庆阳, 王成, 夏海平等. Er3+掺杂Na5Lu9F32单晶体的红外光学特性[J]. 发光学报, 2016,37(10): 1189-1194 DOI： 10.3788/fgxb20163710.1189.

TANG Qing-yang, WANG Cheng, XIA Hai-ping etc. Infrared Optical Properties of Er3+ Doped Na5Lu9F32 Single Crystal[J]. Chinese Journal of Luminescence, 2016,37(10): 1189-1194 DOI： 10.3788/fgxb20163710.1189.

摘要

采用坩埚下降法成功地生长了Er

离子掺杂的Na

（NLF）单晶体。测定了单晶体在400~2 500 nm波段的吸收光谱与2.5~25 m红外波段的透过光谱。Na

单晶体在400~7 150 nm宽波段范围具有好的光学透过性，在该波段的透过率达到90%。在透过光谱中几乎观察不到2.7 m中红外波段的吸收，说明单晶体中OH

离子的含量极低。根据测定的吸收光谱，通过Judd-Ofelt理论计算了Er

在单晶体中的光学强度参数

（

=2.08，

=2.07，

=0.75），以及相应的辐射跃迁速率、荧光分支比和荧光寿命。根据Futchbauer-Ladenburg公式估算了样品的发射截面大约分别为1.4210

-20

（

13/2

15/2

）和1.6610

-20

（

11/2

13/2

）。在980 nm半导体激光器（LD）激发下，研究了单晶体的近红外1.5 m与中红外2.7 m的发射光谱特性。

Abstract

doped Na

single crystal was successfully grown by Bridgman method. The absorption spectra of the single crystal from 400 nm to 2 500 nm and the transmission characteristics from 2.5 m to 25 m were measured. Na

single crystal possessed high optical transmittance from 400 nm to 7 150 nm wide band

and the transmittance reached to 90%. Almost no absorption of 2.7 m band was observed. It indicated that the content of OH

ion was very low in the single crystal. The intensity parameters

(

=2.08

=2.07

=0.75) were calculated by using Judd-Ofelt theory based on the absorption spectrum. The radiative transition rates

branching ratios and radiative lifetimes were also obtained. The emission cross sections of the sample were 1.4210

-20

(

13/2

15/2

) and 1.6610

-20

(

11/2

13/2

) estimated by Futchbauer-Ladenburg formula. The emission spectra of 1.5 m and 2.7 m band were investigated under 980 nm LD.

关键词

Keywords

references

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