微型掺铒光纤超荧光光源稳定性分析  

Stability analysis of micro erbium-doped fiber super-fluorescent light source

作　　者：迟荣华 孙小菡[2] CHI Ronghua;SUN Xiaohan(School of Internet of Things and Software Technology,Wuxi Vocational College of Science and Technology,Wuxi 214068,China;Southeast University,National Research Center for Optical Sensing / Communications Integrated Networking,Nanjing 210096,China)

机构地区：[1]无锡科技职业学院,物联网与软件工程系,江苏无锡214068 [2]东南大学,光传感通信综合网络国家地方联合工程研究中心,江苏南京210096

出　　处：《量子电子学报》2019年第3期305-310,共6页Chinese Journal of Quantum Electronics

基　　金：国家自然科学基金,61271206;江苏高校境外研修计划资助项目~~

摘　　要：面向微型光纤陀螺(FOG)应用需求,提出并优化设计了一种微型掺铒超荧光光源。该超荧光光源结构尺寸为Φ50mm×15 mm,通过采取优化的光路设计、光谱平坦滤波技术、抽运激光器及光源精密温度控制技术等,得到高稳定性的超荧光光源,其输出功率大于13 dBm,光谱带宽大于35 nm,功率变化小于1%,中心波长变化率小于5×10^-6。采用实验方式对超荧光光源光谱的温度和时间稳定性、输出功率的温度和时间稳定性进行了细致的测试。实验结果表明微型超荧光光源光谱和输出功率都能够承受严苛的温度冲击实验,满足指标要求。A micro erbium-doped fiber super-fluorescent light source is proposed and optimized to meet the requirements of fiber optic gyroscope(FOG).The size isΦ50 mm×15 mm.By using the optimized optical design,gain flat filter and some control methods for laser pump and erbium fiber,high performance and stable super fluorescent light source is achieved.The output power is more than 13 dBm.Spectral bandwidth is widen to more than 35 nm.The power fluctuation is less than 1%and the change rate of mean wavelength is less than 5 x 10-6.The power and temperature stability of the super-fluorescence light source are measured as well.Both the spectrum and output power of micro super-fluorescent light source can withstand severe temperature impact and meet FOG requirements.

关 键 词：激光技术 光纤陀螺 掺铒光纤超荧光光源 光谱稳定性 功率稳定性 

分 类 号：O439[机械工程—光学工程]