Pr, R3+: SrF2(R=Y, Gd)激光晶体光谱性能的研

doi:10.15541/jim20160671

无机材料学报 ›› 2017, Vol. 32 ›› Issue (9): 943-948.DOI: 10.15541/jim20160671

Pr, R³⁺: SrF₂(R=Y, Gd)激光晶体光谱性能的研

鞠强文¹, 梅炳初¹, 于浩², 钱小波², 王静雅², 马凤凯², 苏良碧²

(1. 武汉理工大学材料科学与工程学院, 材料复合新技术国家重点实验室, 武汉 430070; 2. 中国科学院上海硅酸盐研究所透明光功能无机材料重点实验室, 上海 201809)

收稿日期:2016-12-07 修回日期:2017-01-26 出版日期:2017-09-30 网络出版日期:2017-08-29
作者简介:鞠强文(1989–), 男, 硕士研究生. E-mail: autojqw@163.com
基金资助:
国家自然科学基金(61422511, 51432007);国家重点研发计划(2016YFB0701002);National Natural Science Foundation of China (61422511, 51432007);The National Key Research and Development Program of China (2016YFB0701002)

Spectral Properties of Pr, R³⁺: SrF₂(R=Y, Gd) Laser Crystal

JU Qiang-Wen^{1, 2}, MEI Bing-Chu¹, YU Hao², QIAN Xiao-Bo², WANG Jing-Ya², MA Feng-Kai², SU Liang-Bi²

(1. State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430070, China; 2. Key Laboratory of Transparent and Opto-functional Inorganic Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201809, China)

Received:2016-12-07 Revised:2017-01-26 Published:2017-09-30 Online:2017-08-29
About author:JU Qiang-Wen. E-mail: autojqw@163.com

摘要/Abstract

摘要：

采用坩埚下降法生长了系列共掺的Pr, Y: SrF₂和Pr, Gd: SrF₂晶体, 研究了调剂离子对Pr: SrF₂晶体晶胞参数和光谱性能的影响规律。研究结果表明, 掺杂不同种类和浓度的调剂离子可以有效提高晶体的吸收截面和发射强度。同时, 调剂离子通过改变晶体内部的团簇构型和发光中心的局域配位结构, 使Pr, R³⁺: SrF₂(R=Y, Gd)晶体各峰位的发光强度变化规律不一致: 绝大部分峰位发光强度先增加到峰值后减小, 极个别变化趋势相反或发光强度基本保持不变。结合晶胞参数和荧光寿命图谱也可以证明调剂离子对晶体内部团簇和局域结构的影响。总之, 掺入调剂离子后, Pr: SrF₂晶体的光学性能更优, 尤其是共掺入6.0at%Y³⁺或10.0at%Gd³⁺后, 其光学性能达到最佳。

关键词: 激光材料, Pr: SrF2晶体, 调剂离子, 光谱性能

Abstract:

A series of co-doped Pr, Y: SrF₂ and Pr, Gd: SrF₂ crystals were grown by the vertical Bridgman method and the influence of codoping ions on the lattice parameters and spectral properties of Pr: SrF₂ crystal was studied. The results show that the doping of different kinds and concentration of the regulator ions can effectively improve the crystal absorption cross-section and emission intensity. Through changing the cluster structure and the local coordination structure of the luminescent center of the crystals, the law of different peaks’ emission intensities of Pr, R³⁺: SrF₂(R=Y, Gd) crystals varies with each other. Most of the peaks’ emission intensities increase firstly and then decrease, and other few peak’s law is opposite or its emission intensity keeps nearly unchanged. Influence of the regulator ions on internal cluster and local structure of the crystal is testified based on the unit cell parameters and the fluorescence lifetime spectra. In general, the optical properties of Pr: SrF₂ crystals are improved after codoping with the regulator ions, especially with 6.0at% Y³⁺ and 10.0at% Gd³⁺, which optical properties reach the best.

Key words: laser materials, Pr: SrF2 crystal, regulator ions, spectral properties

中图分类号:

鞠强文, 梅炳初, 于浩, 钱小波, 王静雅, 马凤凯, 苏良碧. Pr, R³⁺: SrF₂(R=Y, Gd)激光晶体光谱性能的研[J]. 无机材料学报, 2017, 32(9): 943-948.

JU Qiang-Wen, MEI Bing-Chu, YU Hao, QIAN Xiao-Bo, WANG Jing-Ya, MA Feng-Kai, SU Liang-Bi. Spectral Properties of Pr, R³⁺: SrF₂(R=Y, Gd) Laser Crystal[J]. Journal of Inorganic Materials, 2017, 32(9): 943-948.

图/表 6

图1 Pr3+, Re3+: SrF2晶体晶胞参数随调剂离子浓度的变化情况

Fig. 1 Unit cell parameters of Pr3+, Re3+: SrF2 crystals with different regulator ion concentrations

图2 0.6at%Pr3+, R3+: SrF2晶体室温吸收截面图

Fig. 2 Absorption cross section-spectra of 0.6 at%Pr3+, R3+: SrF2 crystals at room temperature

图3 0.6at%Pr3+, R3+: SrF2晶体室温吸收截面随调剂离子浓度的变化

Fig. 3 0.6at%Pr3+, R3+: SrF2 absorption cross-section at room temperature for different regulator ion concentration

图4 0.6at%Pr3+, R3+: SrF2晶体室温发射光谱图

Fig. 4 Room temperature emission spectra of 0.6at%Pr3+, R3+: SrF2 crystals

图5 0.6at%Pr3+, R3+: SrF2晶体室温发射强度随共掺离子浓度的变化

Fig. 5 Room temperature emission intensity of 0.6at%Pr3+, R3+: SrF2 with different regulator ion concentrations

图6 0.6at%Pr3+, R3+: SrF2荧光寿命随R3+浓度变化

Fig. 6 Fluorescence lifetime of 0.6at%Pr3+, R3+: SrF2 with different R3+ concentrations

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Pr, R³⁺: SrF₂(R=Y, Gd)激光晶体光谱性能的研

Spectral Properties of Pr, R³⁺: SrF₂(R=Y, Gd) Laser Crystal

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