随机分布反馈光纤激光器时-频-空域特性研究进展

范孟秋; 林圣淘; 吴函; 郑万国; 王子南

doi:10.11884/HPLPB202133.210306

随机分布反馈光纤激光器时-频-空域特性研究进展

doi: 10.11884/HPLPB202133.210306

范孟秋^{1, 4,},
林圣淘²,
吴函³,
郑万国^1, ,,
王子南^2, ,

1.
中国工程物理研究院激光聚变研究中心, 四川绵阳 621900
2.
电子科技大学光纤传感与通信教育部重点实验室, 成都 611731
3.
四川大学电子信息工程学院, 成都 610064
4.
中国工程物理研究院研究生院, 北京 100088

基金项目: 中国工程物理研究院激光聚变研究中心青年人才基金项目（RCFCZ3-2019-7）；国家自然科学基金项目（61205048, 61290312, 61635005）；国家万人计划青年拔尖人才项目（W030211001001）；四川省杰出青年科技人才项目（2020JDJQ0024）

详细信息

作者简介:
范孟秋，fanmengqiu@163.com

通讯作者:
郑万国，wgzheng_caep@sina.com

王子南，znwang@uestc.edu.cn

中图分类号: TN24
计量
- 文章访问数: 1201
- HTML全文浏览量: 481
- PDF下载量: 120
- 被引次数: 0
出版历程
- 收稿日期: 2021-07-23
- 修回日期: 2021-11-03
- 网络出版日期: 2021-11-17
- 刊出日期: 2021-11-15

Research progress of random fiber lasers’ characteristics in time-frequency-spatial domain

Fan Mengqiu^{1, 4
,},
Lin Shengtao²,
Wu han³,
Zheng Wanguo^{1
, ,},
Wang Zinan^{2
, ,}

1.
Laser Fusion Research Center, CAEP, P. O. Box 919-988, Mianyang 621900, China
2.
Key Laboratory of Optical Fiber Sensing and Communications of Ministry of Education, University of Electronic Science and Technology of China, Chengdu 611731, China
3.
College of Electronics and Information Engineering, Sichuan University, Chengdu 610064, China
4.
Graduate School of China Academy of Engineering Physics, Beijing 100088, China

摘要

摘要:
较为系统地回顾了近年来学术界在随机分布反馈光纤激光器时-频-空域特性方面的研究进展，分析总结了随机分布反馈光纤激光器的时-频-空域动态特性影响因素，展望了随机分布反馈光纤激光器应用于高功率激光驱动装置的前景，并对未来潜在的研究方向进行了探讨。
- 光纤随机激光器 /
- 时域 /
- 频域 /
- 空域 /
- 低相干性 /
- 高功率激光装置
Abstract:
The recent research progress of random distributed feedback fiber lasers in the time-frequency-spatial domain is systemically reviewed in this paper. The factors influencing the time-frequency-spatial dynamic characteristics of random distributed feedback fiber lasers are analyzed and summarized. Finally, the prospects of random distributed feedback fiber lasers used in high-power laser driving facility are put forward, and the potential research area in future is discussed.
- random fiber laser /
- time domain /
- frequency domain /
- spatial domain /
- low coherence /
- high power laser facility

HTML全文

图 1 光纤随机激光概念示意图^[5]

Figure 1. A concept of the random distributed feedback fiber laser^[5]

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图 2 光纤随机激光器不同结构^[5]

Figure 2. Randomly distributed feedback fiber laser configurations^[5]

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图 3 拉曼光纤随机激光器微分方程模型不同求解方法^[14]

Figure 3. Methods for solving the systems of differential equations of the Raman random fiber laser^[14]

(a) traditional Euler method, (b) the method for solving UCM (ultrafast convergent power-balance model) used in “loop body one”

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图 4 基于NLSE模型的光纤随机激光器激射光谱特性^[11]

Figure 4. Lasing spectral characteristics of randomly distributed feedback fiber laser based on NLSE^[11]

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图 5 基于NLSE模型的光纤随机激光器输出时域和统计特性^[11]

Figure 5. Temporal and statistical characteristics of randomly distributed feedback fiber laser based on NLSE^[11]

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图 6 光纤随机激光器强度输出特性^[35]

Figure 6. Output intensity characteristics of randomly distributed feedback fiber laser^[35]

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图 7 光纤随机激光器时域和统计输出特性^[36]

Figure 7. Output temporal characteristics and statistical features of random fiber laser^[36]

(a) and (b) typical temporal trace of the output random laser around threshold. (c) histograms (log scale) showing the distribution of optical intensity maxima for 10⁵ trace events. The peak intensities are normalized by the corresponding SWH (defined as the mean height of the highest third of events) values. The vertical dashed lines indicate 2 × SWH and thus mark the limit for a pulse to be considered as an optical RW (Rogue Wave). (d) evolution of consecutive traces around optical RW events at threshold. (e) pulse shapes of typical normal and optical RW events.

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图 8 不同波长滤波后光纤随机激光器的时域动态特性及概率密度分布^[38]

Figure 8. Temporal intensity dynamics and PDF of filtered random lasing radiations at different spectral locations^[38]

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图 9 最大泵浦功率时输出随机激光的时域信号和相应的频谱密度^[39]

Figure 9. Temporal signals and corresponding spectral densities of the RFL at maximal pump power^[39]

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图 10 不同泵浦源情况下光纤随机激光器归一化时域曲线^[40]

Figure 10. Normalized oscilloscope traces of the RRFL output by different pump^[40]

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图 11 ASE泵浦线宽对光纤随机激光器的影响^[42]

Figure 11. Effect of bandwidth of ASE pump on random fiber laser^[42]

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图 12 1090 nm YRFL泵浦特性^[43]

Figure 12. Characteristics of 1090 nm YRFL pump^[43]

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图 13 1090 nm泵浦的四阶1365 nm光纤随机激光与1365 nm商用掺镱光纤激光器对比^[43]

Figure 13. Comparison between 1365 nm RFL pumped by 1090 YRFL and commercial 1365 nm fiber laser^[43]

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图 14 基于瑞利反馈的光纤随机激光器光谱演变过程^[13]

Figure 14. Spectrum evolution of random fiber laser based on Rayleigh scattering^[13]

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图 15 光纤随机激光器不同激射波长成分的时域动态特性（（a），（b）中相同字母表示相同的激射谱线）^[46]

Figure 15. Temporal dynamics of the generation spectra of the measured random fiber laser (the letters in (a) and (b) mark the same spectral lines)^[46]

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图 16 光纤随机激光实时频域-时域动态演化^[47]

Figure 16. Real-time spectro-temporal evolution in the random fiber laser^[47]

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图 17 光谱相关性结果^[47]

Figure 17. Spectral correlations in the random fiber laser^[47]

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图 18 不同泵浦功率情况下随机激光输出强度谱和强度统计特性分析（掺铒光纤随机激光器）^[49]

Figure 18. Statistical analysis of the intensity spectra and PDF P(I) of maximum intensities I with different pump power (erbium-doped RFL)^[49]

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图 19 不同泵浦功率下的随机激光输出时域强度曲线及其相应的概率密度函数^[52]

Figure 19. Statistical analysis of the temporal intensity and PDF P(I) of maximum intensities I with different pump power (Raman RFL)^[52]

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图 20 不同照明光源的成像应用效果^[57]

Figure 20. Optical images of the speckle pattern and the logo mask with different illumination sources^[57]

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图 21 不同光源透过毛玻璃后散斑图^[59]

Figure 21. Speckle formed after passing through a ground glass diffuser^[59]

(a) single mode RFL, (b) multimode RFL, (c) single mode ASE, 　(d)multimode ASE, (e) single mode NLL, (f) multimode NLL

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图 22 基于 MOPA 的高功率低空间相干性光纤随机激光器实验装置示意图^[60]

Figure 22. Schematic diagram of high power low spatial coherence random fiber laser based on MOPA configuration^[60]

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