| 保偏光纤激光器的实验研究 |
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| 引用本文： | 任广军,姚建铨,王鹏,张强. 保偏光纤激光器的实验研究[J]. 中国激光, 2007, 34(9): 1208-1211 |
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| 作者姓名： | 任广军 姚建铨 王鹏 张强 |
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| 作者单位： | 天津大学精密仪器与光电子工程学院,激光与光电子研究所,天津,300072;天津大学光电信息科学技术教育部重点实验室,天津,300072;南开大学、天津大学联合研究院,天津,300072 |
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| 基金项目： | 国家自然科学基金;教育部高等学校博士学科点专项科研基金 |
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| 摘 要： | 从耦合波方程出发,对掺钕光纤激光器输出功率沿光纤的分布进行了数值模拟,并对掺钕光纤激光器所需要光纤的最佳长度进行了分析.以808 nm半导体激光器为抽运源,掺钕双包层保偏光纤为增益介质,使用对808 nm高透,1060 nm高反的二色镜和垂直切割的光纤端面(4%的菲涅耳反射)构成法布里-珀罗(F-P)光学谐振腔,对保偏光纤激光器进行了实验研究.实验中测量了掺钕光纤的荧光光谱,并就不同抽运电流对激光器输出功率和偏振特性进行了研究,在波长1060 nm处得到了7.5 W的激光输出,斜率效率为56%.
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| 关 键 词： | 激光技术 光纤激光器 掺钕保偏光纤 偏振 |
| 文章编号： | 0258-7025（2007）09-1208-04 |
| 收稿时间： | 2006-12-04 |
| 修稿时间： | 2006-12-04 |
Experimental Study on Polarization-Maintaining Fiber Laser |
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| REN Guang-jun,YAO Jian-quan,WANG Peng,ZHANG Qiang. Experimental Study on Polarization-Maintaining Fiber Laser[J]. Chinese Journal of Lasers, 2007, 34(9): 1208-1211 |
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| Authors: | REN Guang-jun YAO Jian-quan WANG Peng ZHANG Qiang |
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| Affiliation: | 1. Institute of Laser and Opto-Electronics, College of Precision Instrument and Opto-Electronics Engineering, Tianjin University, Tianjin 300072, China; 2. Key Laboratory of Optoelectronic Information Science and Technology, Ministry of Education, Tianjin University, Tianjin 300072, China; 3.Cooperated Institute of Nankai University and Tianjin University, Tianjin 300072, China |
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| Abstract: | By means of numerical analysis,based on the coupling wave function,the distribution of pump and output laser power along the fiber has been researched,and the optimal fiber length is calculated.The experimental research of the Nd3 -doped polarization-maintaining fiber laser is reported,which is pumped by 808 nm semiconductor laser.The dichroic mirror of high transission(HT) at 808 nm and high reflection(HR) at 1060 nm is employed to construct the Fabry-Perot(F-P) cavity with the vertically-cut fiber cross section(Fresnel reflectivily of 4%).The influences of pump current on output power and polarization characteristic of the laser are studied.The fluorescence spectrum of Nd3 -doped fiber is measured.The maximum output power of the laser is 7.5 W at 1060 nm,and the slope efficiency is 56%. |
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| Keywords: | laser technique fiber laser Nd3 -doped polarization-maintaining fiber polarization |
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