[1]欧阳德钦,赵俊清,郑志坚,等.百瓦级全光纤化掺铥光纤激光器[J].深圳大学学报理工版,2014,31(6):608-613.[doi:10.3724/SP.J.1249.2014.06608]
　Ouyang Deqin,Zhao Junqing,et al.Hundred-watt-level all-fiber thulium doped fiber laser[J].Journal of Shenzhen University Science and Engineering,2014,31(6):608-613.[doi:10.3724/SP.J.1249.2014.06608]
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百瓦级全光纤化掺铥光纤激光器()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第31卷
期数:
2014年第6期
页码:
608-613
栏目:
光电工程
出版日期:
2014-11-20

文章信息/Info

Title:
Hundred-watt-level all-fiber thulium doped fiber laser
作者:
欧阳德钦1; 2; 赵俊清3; 郑志坚1; 任席奎1; 2; 李春波1; 2; 谢维信3; 阮双琛1
1）深圳大学电子科学与技术学院，深圳市激光工程重点实验室，先进光学精密制造技术广东普通高校重点实验室，深圳518060
2）深圳大学光电工程学院，深圳518060
3）深圳大学信息工程学院，深圳518060
Author(s):
Ouyang Deqin1;  2;  Zhao Junqing3;  Zheng Zhijian1;  Ren Xikui1;  2;  Li Chunbo1;  2;  Xie Weixin3;  and Ruan Shuangchen1
1) College of Electronic Science and Technology, Shenzhen Key Laboratory of Laser Engineering, Key Laboratory of Advanced Optical Precision Manufacturing Technology of Guangdong Higher Education Institutes, Shenzhen University, Shenzhen 518060, P.R.China
2) College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, P.R.China
3) College of Information Technology, Shenzhen University, Shenzhen 518060, P.R.China
关键词:
光电子与激光技术; 掺铥光纤; 光纤激光器; 增益调制; 主振荡功率放大; 全光纤化; 纳秒脉冲
Keywords:
optoelectronics and laser technology;  thulium doped fiber;  fiber laser;  gain switch;  master oscillator power amplifier;  all-fiber structure;  nanosecond pulse
分类号:
TN 248
DOI:
10.3724/SP.J.1249.2014.06608
文献标志码:
A
摘要:
基于线型腔结构实现中心波长约1 945 nm、功率150 mW的连续激光输出，采用3级主振荡功率放大（master oscillator power amplifier，MOPA）结构，实现123 W的掺铥激光输出，斜率效率为59.1%. 搭建基于调制半导体激光器，输出波长为1 550 nm的铒镱共掺光纤放大器，实现平均功率1.2 W、脉宽50 ns、重复频率200 kHz的脉冲激光输出. 将该铒镱共掺光纤放大器作为泵浦源，采用线型腔结构抽运掺铥光纤，实现中心波长约为1 945 nm的增益调制脉冲激光输出，重复频率为100 kHz，脉宽约为800 ns. 采用3级MOPA结构对此增益调制掺铥脉冲光纤激光器进行功率放大，实现平均功率115 W、单脉冲能量1.15 mJ的激光输出，且放大过程中无非线性效应产生.
Abstract:
We constructed a three-stage master oscillator power amplifier (MOPA) seeded by a linear fiber oscillator with 150 mW continuous wave laser output at 1 945 nm, which can deliver 123 W output power with 59.1% slope efficiency. Using a modulated semiconductor laser, we also constructed an Er-Yb co-doped fiber amplifier (EYDFA) and obtained 1.2 W average power output at 1 550 nm with the pulse width of 50 ns and repetition rate of 200 kHz. Using this pulsed EYDFA as the pump source to pump a linear thulium doped fiber cavity, a gain-switched pulsed laser was realized, which can generate pulses with the repetition rate of 100 kHz and width of 800 ns, centering at 1 945 nm. After three-stage MOPA amplification, the laser power is scaled to 115 W; and the corresponding pulse energy was 1.15 mJ. No nonlinear effect was observed during the power amplification.

参考文献/References:

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备注/Memo

备注/Memo:
Received：2014-09-24；Accepted：2014-10-20
Foundation：National Natural Science Foundation of China (61275144)；Strategic New Industries Development Foundation of Shenzhen City (JCYJ20130329103035715)；Innovative Research and Development Project of Nanshan District (KC2013JSCX0013A)
Corresponding author：Professor Ruan Shuangchen．E-mail: scruan@szu.edu.cn
Citation：Ouyang Deqin, Zhao Junqing, Zheng Zhijian, et al. Hundred-watt-level all-fiber thulium doped fiber laser［J］. Journal of Shenzhen University Science and Engineering, 2014, 31(6): 608-613.（in Chinese）
基金项目：国家自然科学基金资助项目(61275144)； 深圳市战略新兴产业发展专项资金项目(JCYJ20130329103035715); 南山区技术研发和创意设计项目(KC2013JSCX0025)
作者简介：欧阳德钦(1988—)，男(汉族)，山东省嘉祥县人，深圳大学博士研究生. E-mail：505761441@qq.com
引文：欧阳德钦，赵俊清，郑志坚，等．百瓦级全光纤化掺铥光纤激光器［J］. 深圳大学学报理工版，2014，31（6）：608-613.
更新日期/Last Update: 2014-10-29