基于氟化铝基玻璃光纤的瓦级~3 μm激光

王鹏飞; 刘墨; 张集权; 许念念; 王顺宾

doi:10.11884/HPLPB202133.210311

基于氟化铝基玻璃光纤的瓦级~3 μm激光

doi: 10.11884/HPLPB202133.210311

王鹏飞^{1, 2,},
刘墨¹,
张集权¹,
许念念¹,
王顺宾^1, ,

1.
哈尔滨工程大学物理与光电工程学院，纤维集成光学教育部重点实验室，哈尔滨150001
2.
深圳大学光电工程学院光电子器件与系统教育部/广东省重点实验室，广东深圳 518060

基金项目: 国家自然科学基金项目（61935006, 62090062, 62005060, 61905048）；国家重点研发计划项目（2020YFA0607602）；中央高校基础科研业务经费项目（3072021CF2514）；深圳市基础研究项目（JCYJ20190808173619062）；哈尔滨工程大学111引智项目（B13015）

详细信息

作者简介:
王鹏飞，pengfei.wang@tudublin.ie

通讯作者:
王顺宾，shunbinwang@hrbeu.edu.cn

中图分类号: TN248
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- 被引次数: 0
出版历程
- 收稿日期: 2021-07-23
- 修回日期: 2021-11-10
- 网络出版日期: 2021-11-19
- 刊出日期: 2021-11-15

Watt-level ~3 μm laser in AlF₃-based glass fiber

1.
Key Laboratory of In-Fiber Integrated Optics Ministry of Education, College of Physics and Optoelectronic Engineering, Harbin Engineering University, Harbin 150001, China
2.
Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

摘要

摘要:
研究了基于Ho³⁺/Pr³⁺共掺AlF₃基玻璃单包层光纤的瓦级～3 μm激光。采用单模1150 nm光纤激光器泵浦上述增益光纤，得到了波长2.87 μm的激光输出，其最大输出功率为1.02 W，激光斜率效率为10.7%，输出激光的光束质量因子M²≈1.2。研究结果表明，AlF₃基玻璃光纤是一种潜在的可获得高功率中红外激光输出的增益介质。
- 氟化铝基 /
- Ho³⁺/Pr³⁺共掺 /
- ～3 μm激光 /
- 瓦级 /
- 稳定性
Abstract:
A mid-infrared fiber laser operating at λ≈3 μm is demonstrated using a Ho³⁺/Pr³⁺ co-doped AlF₃-based glass fiber as a gain fiber. Under 1150 nm single-mode fiber laser pumping, the fixed-wavelength laser had maximum output power of 1.02 W, a slope efficiency of 10.7%, and M²≈1.2. The results prove this type of fiber is a potential gain medium for more powerful mid-infrared fiber lasers.
- AlF₃-based /
- Ho³⁺/Pr³⁺co-doped /
- ~3 μm laser /
- watt-level /
- stability

HTML全文

图 1 Ho³⁺和Pr³⁺的能级图及和~3 µm发光相关的跃迁

Figure 1. Partial energy level diagrams of Ho³⁺ and Pr³⁺ and corresponding transitions related to ~3 µm laser

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图 2 Ho³⁺/Pr³⁺共掺AlF₃基光纤吸收光谱

Figure 2. Absorption spectrum of Ho³⁺/Pr³⁺ co-doped AlF₃-based fiber

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图 3 实验装置示意图

Figure 3. Schematic of the experimental set-up

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图 4 波长约2.87 μm激光输出和1150 nm 泵浦光功率依赖性曲线

Figure 4. Laser output power at λ≈2. 87 μm as a function of absorbed pump power at λ≈1.15 μm

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图 5 输出功率稳定性测试结果

Figure 5. Temporal dependence of output power over a period of 45 min. The inset shows the experimental set-up

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