Distributed feedback fiber laser rosette for acoustic emission detection

摘要：

　　This study aims at providing a practical method in large structure health monitoring.A novel fiber optic rosette based on distributed feedback (DFB) fiber laser for acoustic emission (AE)detection and location is presented.The ultra-narrow line width of the DFB fiber laser will result in high resolution in AE wave detection using a fiber optic interferometric demodulation method.The directivity of the fiber optic rosette is investigated.A rosette with three DFB fiber lasers is tested in the experiment to determine the direction of propagation of AE waves.

关键词： fiber laser acoustic emission directivity rosette location

作者: Wenzhu Huang Wentao Zhang Huaixiang Ma Fang Li Yanliang Du

作者单位: School of Mechanical Engineering Shijiazhuang Tiedao University, Shijiazhuang, China;Optoelectronic Optoelectronic System Laboratory institute of Semiconductors, Chinese Academy of Sciences,Beijing, C School of Mechanical Engineering Shijiazhuang Tiedao University, Shijiazhuang, China Key Lab.of Structure Health Monitoring and Control of Hebei Province Shijiazhuang Tieda University,

会议类型: 国际会议

会议名称: 2nd International Conference on Materials Engineering and Automatic Control (第二届材料工程与自动化控制国际会议)(ICMEAC2013)

会议地点: 济南

会议语种:英文

页码: 412-417

在线出版日期: 2013-05-18（万方平台首次上网日期，不代表论文的发表时间）