Dy:Y2SiO5和Dy,Tb:Y2SiO5单晶生长与黄光发射光谱性能

doi:10.15541/jim20250380

无机材料学报 ›› 2026, Vol. 41 ›› Issue (7): 930-938.DOI: 10.15541/jim20250380

Dy:Y₂SiO₅和Dy,Tb:Y₂SiO₅单晶生长与黄光发射光谱性能

刘宇霄(), 梁飞()

山东大学晶体材料研究院, 晶体材料全国重点实验室, 济南 250100

收稿日期:2025-09-28 修回日期:2025-10-22 出版日期:2026-07-20 网络出版日期:2025-10-31
通讯作者: 梁飞, 教授. E-mail: liangfei@sdu.edu.cn
作者简介:刘宇霄(2001-), 男, 硕士研究生. E-mail: 202312754@mail.sdu.edu.cn
基金资助:
国家重点研发计划(2023YFF0718801);国家重点研发计划(2021YFA0717800);国家自然科学基金(52372010);国家自然科学基金(52422201)

Growth and Yellow Emission Spectral Properties of Dy:Y₂SiO₅ and Dy,Tb:Y₂SiO₅ Single Crystals

LIU Yuxiao(), LIANG Fei()

State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Jinan 250100, China

Received:2025-09-28 Revised:2025-10-22 Published:2026-07-20 Online:2025-10-31
Contact: LIANG Fei, professor. E-mail: liangfei@sdu.edu.cn
About author:LIU Yuxiao (2001-), male, Master candidate. E-mail: 202312754@mail.sdu.edu.cn
Supported by:
National Key Research and Development Program of China(2023YFF0718801);National Key Research and Development Program of China(2021YFA0717800);National Natural Science Foundation of China(52372010);National Natural Science Foundation of China(52422201)

摘要/Abstract

摘要：

波长位于570~590 nm的黄光激光在流式细胞检测、钠导星信标、眼科手术治疗等前沿领域具有重要应用价值。采用蓝光激光二极管直接泵浦Dy³⁺掺杂晶体产生黄光激光, 是一种结构简单、高效紧凑且稳定性高的全固态黄光激光器设计方案。但Dy³⁺掺杂黄光激光晶体研究主要集中于低声子能量的氟化物, 对高声子能量的氧化物晶体探索较少。本研究采用光学浮区法成功生长出高质量的Dy³⁺单掺及Dy³⁺、Tb³⁺共掺杂的Y₂SiO₅ (YSO)晶体, 测试了两种晶体的透过光谱和拉曼光谱, 并详细研究了Dy:YSO和Dy,Tb:YSO晶体中的黄光发射和能量转移过程。结果显示, 与单掺Dy:YSO相比, Dy,Tb:YSO晶体在450 nm处的蓝光吸收截面从1.75×10^-21 cm²增大至2.21×10^-21 cm², 在574 nm处的黄光发射截面从3.45×10^-21 cm²增大至4.32×10^-21 cm²。利用共掺Tb³⁺离子作为退激活离子, Dy³⁺的⁶H_13/2能级到Tb³⁺的⁷F₄能级的能量转移效率为50.7%, 使Dy³⁺的⁶H_13/2下能级的寿命缩短至202.9 µs, 有利于实现粒子数反转, 获得黄光激光输出。本研究结果表明, Dy,Tb:YSO晶体是一种具有研究价值和应用潜力的黄光激光增益介质。

关键词: Dy:YSO, Dy,Tb:YSO, 黄光激光, 晶体生长

Abstract:

Yellow laser sources in the range of 570-590 nm have many important applications in frontier fields such as flow cytometry, sodium guide star, and ophthalmic surgery. Yellow laser output from blue laser diode-pumped Dy³⁺-doped crystals is a promising technology with advantages of high efficiency, compactness, and high power stability. However, Dy³⁺-doped laser crystals mainly focused on low-phonon-energy fluorides, while the high- phonon-energy oxides were rarely studied. Herein, high-quality Dy³⁺-doped and Dy³⁺, Tb³⁺ co-doped Y₂SiO₅ (YSO) crystals were grown by the optical floating zone method. The yellow emission and energy transfer processes in Dy:YSO and Dy,Tb:YSO crystals were investigated. Compared with Dy:YSO, the absorption cross-section of Dy,Tb:YSO at 450 nm increases from 1.75×10^-21 cm² to 2.21×10^-21 cm², and the yellow emission cross-section at 574 nm increases from 3.45×10^-21 cm² to 4.32×10^-21 cm². In addition, the co-doped Tb³⁺ ions act as deactivator ions and the energy transfer efficiency from ⁶H_13/2 level of Dy³⁺ to ⁷F₄ level of Tb³⁺ is 50.7%. As a result, the lifetime of Dy³⁺ lower level is greatly shortened to 202.9 µs, which is favorable for population inversion and yellow laser output. These results indicate that Dy,Tb:YSO crystal is a promising yellow laser gain medium.

Key words: Dy:YSO, Dy,Tb:YSO, yellow laser, crystal growth

中图分类号:

TQ174

刘宇霄, 梁飞. Dy:Y₂SiO₅和Dy,Tb:Y₂SiO₅单晶生长与黄光发射光谱性能[J]. 无机材料学报, 2026, 41(7): 930-938.

LIU Yuxiao, LIANG Fei. Growth and Yellow Emission Spectral Properties of Dy:Y₂SiO₅ and Dy,Tb:Y₂SiO₅ Single Crystals[J]. Journal of Inorganic Materials, 2026, 41(7): 930-938.

图/表 11

图1 采用光学浮区法生长的(a) Dy:YSO和(b) Dy,Tb:YSO晶体; 用于光谱测试的(c) Dy:YSO和(b) Dy,Tb:YSO晶片

Fig. 1 (a) Dy:YSO and (b) Dy,Tb:YSO crystals grown by the floating zone method; (c) Dy:YSO and (d) Dy,Tb:YSO polished plates for spectral measurements

图2 (a) Y2SiO5晶体结构示意图; (b) Y2SiO5晶体中的镱离子中心多面体

Fig. 2 (a) Schematic diagram of Y2SiO5 crystal structure; (b) Polyhedron of the ytterbium ion center in Y2SiO5 crystal

图3 Dy:YSO和Dy,Tb:YSO晶体的XRD图谱

Fig. 3 XRD patterns of Dy:YSO and Dy,Tb:YSO crystals

图4 (a) Dy,Tb:YSO和(b) Dy:YSO晶体的XRD全谱Rietveld拟合图

Fig. 4 Full-range XRD patterns of (a) Dy,Tb:YSO and (b) Dy:YSO crystals together with their Rietveld refinement results

表1 Dy:YSO和Dy,Tb:YSO晶体的元素含量和keff结果

Table 1 Elemental contents and keff results of Dy:YSO and Dy,Tb:YSO crystals

Crystal	Element	Ingredient concentration/ % (in atom)	Actual concentration/ % (in atom)	k_eff
Dy:YSO	Dy³⁺	3.0	2.24	0.74
Dy,Tb:YSO	Dy³⁺	3.0	2.35	0.78
Dy,Tb:YSO	Tb³⁺	0.1	0.07	0.70

图5 (a) Dy,Tb:YSO和(b) Dy:YSO晶体的拉曼光谱

Fig. 5 Raman spectra of (a) Dy,Tb:YSO and (b) Dy:YSO crystals

图6 (a) Dy,Tb:YSO和(b) Dy:YSO晶体的透过光谱

Fig. 6 Transmission spectra of (a) Dy,Tb:YSO and (b) Dy:YSO crystals

图7 (a) Dy,Tb:YSO和(b) Dy:YSO晶体的吸收截面

Fig. 7 Absorption cross-section spectra of (a) Dy,Tb:YSO and (b) Dy:YSO crystals

图8 Dy3+和Tb3+的能级图

Fig. 8 Energy level diagram of Dy3+ and Tb3+ ions

图9 (a) Dy,Tb:YSO和(b) Dy:YSO晶体的发射截面

Fig. 9 Emission cross-section spectra of (a) Dy,Tb:YSO and (b) Dy:YSO crystals

图10 (a, c) Dy:YSO和(b, d) Dy,Tb:YSO晶体中(a, b) 4F9/2和(c, d) 6H13/2能级的荧光衰减曲线

Fig. 10 Fluorescence decay curves of (a, b) 4F9/2 and (c, d) 6H13/2 levels in (a, c) Dy:YSO and (b, d) Dy,Tb:YSO crystals

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Dy:Y₂SiO₅和Dy,Tb:Y₂SiO₅单晶生长与黄光发射光谱性能

Growth and Yellow Emission Spectral Properties of Dy:Y₂SiO₅ and Dy,Tb:Y₂SiO₅ Single Crystals

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