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基于FBG的波长可调谐环形掺铒光纤激光器
引用本文:刘颖刚,乔学光,贾振安,白燕,邵敏.基于FBG的波长可调谐环形掺铒光纤激光器[J].光学精密工程,2006,14(5):811-814.
作者姓名:刘颖刚  乔学光  贾振安  白燕  邵敏
作者单位:1. 西安石油大学,理学院,陕西,西安,710065;西北大学,光子学与光子技术研究所,陕西,西安,710069
2. 西安石油大学,理学院,陕西,西安,710065
基金项目:国家自然科学基金 , 中国石油天然气集团公司资助项目 , 陕西省教育厅资助项目 , 陕西省西安市科技局科技计划 , 西安石油大学校科研和教改项目
摘    要:在介绍光纤光栅波长调谐原理的基础上,设计了一种环形腔掺铒光纤激光器。利用光纤光栅(FBG)作为波长调谐元件,在20~170 ℃的温度范围内,实现了输出激光波长在1 547.7~1 556.5 nm内的连续可调,调谐线性度达99.96%,激光光谱的3 dB带宽均小于0.05 nm,20 dB带宽均小于0.08 nm,边模抑制比大于52 dB,输出功率可达21.2 mW。结果表明:可调谐掺铒光纤激光器具有可用带宽较宽、功率高、线宽窄、与光纤元件天然兼容等优点。

关 键 词:光纤光学  掺铒光纤激光器(EDFL)  光纤光栅(FBG)  波长调谐
文章编号:1004-924X(2006)05-0811-04
收稿时间:2005-12-22
修稿时间:2006-06-18

Wavelength tunable erbium-doped fiber ring laser based on FBG
LIU Ying-gang,QIAO Xue-guang,JIA Zhen-an,BAI Yan,SHAO Min.Wavelength tunable erbium-doped fiber ring laser based on FBG[J].Optics and Precision Engineering,2006,14(5):811-814.
Authors:LIU Ying-gang  QIAO Xue-guang  JIA Zhen-an  BAI Yan  SHAO Min
Affiliation:1. School of Science, Xi’an Shiyou University, Xi’an 710065, China;
2. Institute of Photonics &; Photon-technology, Northwest University, Xi’an 710069,China
Abstract:Based on introducing the principle of wavelength tuning of FBG,a kind of ring Er-Doped Fiber Laser(EDFL) whose wavelength was tuned by FBG was designed.The output lasing wavelength between 1 547.7 nm and 1 556.5 nm can be tuned continuously within the temperature range from 20 to 170 ℃.The tuning linearity is up to 99.96%,the 3 dB linewidth is less than 0.05 nm and the 20 dB linewidth is less than 0.08 nm.While the side mode suppression ratio(SMSR) is more than 52 dB,the output power of EDFL is up to 21.2 mW.Experimental results show that the tunable EDFL has the advantages of wide bandwidth,high power,narrow linewidth and compatibility to fiber element.
Keywords:fiber optics  Er-Doped Fiber Laser(EDFL)  fiber Bragg grating  wavelength tuning
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