钬铥双掺钨酸镱钾激光晶体光谱参数计算

毕琳; 底晓强; 赵建平; 李春; 刘景和

doi:10.3788/fgxb20183905.0615

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钬铥双掺钨酸镱钾激光晶体光谱参数计算

材料合成及性能 | 更新时间：2020-08-12

- 钬铥双掺钨酸镱钾激光晶体光谱参数计算
- Spectral Parameter Calculation of Ho³⁺, Tm³⁺ Co-doped KYb(WO₄)₂ Laser Crystal
- 发光学报 2018年39卷第5期页码：615-620
- 作者机构：
  
  1. 长春理工大学材料科学与工程学院, 吉林长春 130022
  2. 长春理工大学计算机科学技术学院,吉林长春,130022
- 作者简介：
- 基金信息：
  
  吉林省科技发展计划（20160414043GH）();吉林省教育厅&ldquo();十三五&rdquo();科学技术研究项目（2016-379）资助()
- DOI：10.3788/fgxb20183905.0615
  中图分类号： O482.31
- 纸质出版日期：2018-5-5，
  
  网络出版日期：2017-9-11，
  
  收稿日期：2017-9-5，
  
  修回日期：2017-10-24，
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毕琳, 底晓强, 赵建平等. 钬铥双掺钨酸镱钾激光晶体光谱参数计算[J]. 发光学报, 2018,39(5): 615-620

BI Lin, DI Xiao-qiang, ZHAO Jian-ping etc. Spectral Parameter Calculation of Ho3+, Tm3+ Co-doped KYb(WO4)2 Laser Crystal[J]. Chinese Journal of Luminescence, 2018,39(5): 615-620
毕琳, 底晓强, 赵建平等. 钬铥双掺钨酸镱钾激光晶体光谱参数计算[J]. 发光学报, 2018,39(5): 615-620 DOI： 10.3788/fgxb20183905.0615.

BI Lin, DI Xiao-qiang, ZHAO Jian-ping etc. Spectral Parameter Calculation of Ho3+, Tm3+ Co-doped KYb(WO4)2 Laser Crystal[J]. Chinese Journal of Luminescence, 2018,39(5): 615-620 DOI： 10.3788/fgxb20183905.0615.

摘要

采用顶部籽晶提拉法（TSSG）生长了钬铥双掺钨酸镱钾（KHo

0.04

0.06

0.9

（WO

）

）激光晶体。测试了该晶体的吸收及荧光光谱，计算了其光谱参数。实验结果表明：该晶体在890~1 000 nm范围吸收带较宽，半峰宽为90 nm，计算了主峰1 000 nm处吸收截面为16.9210

-20

；Tm

在1 690~1 812 nm范围存在较宽的吸收带，半峰宽为118 nm，易于实现YbHo、YbTm、TmHo的能量传递。根据Judd-Ofelt理论，计算了该晶体的光谱强度参数。根据Tm

、Ho

、Yb

离子能级图，讨论了产生1 750~2 200 nm荧光发射的3种能量传递方式。最后计算了主峰2 030 nm处受激发射截面为3.4710

-20

，表明该晶体可作为2 m波段优异的激光增益介质。

Abstract

KHo

0.04

0.06

0.9

(WO

)

laser crystal was grown by the top seeded solution growth (TSSG) method. The absorption and fluorescent spectra of the crystal were measured

and the spectral parameters were calculated

too. The experimental results show that there is a broader absorption band at the range of 890-1 000 nm with a full width at half maximum (FWHM) of 90 nm. The absorption cross section of main emission peak at 1 000 nm is 16.9210

-20

. Meanwhile

ions in the crystal have a wider absorption band at 1 690-1 812 nm with a FWHM of 118 nm. Therefore

the energy transfer of YbHo

YbTm

TmHo can be easily achieved. The spectral strength parameters of the crystal were calculated based on the Judd-Ofelt theory. According to the energy level diagram of Tm

and Yb

ions

three kinds of energy transfer modes at 1 750-2 200 nm emission were discussed. The stimulated emission cross section of main emission peak at 2 030 nm is 3.4710

-20

which indicates that the crystal can be used as an excellent laser gain medium at the range of 2 m.

关键词

KHo0.04Tm0.06Yb0.9(WO4)2激光晶体吸收光谱荧光光谱光谱参数计算

Keywords

laser crystalabsorption spectrumfluorescent spectrumspectral parameter calculation

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