光纤声发射传感技术的进展  

Development Survey on Fiber Optic Sensor of Acoustic Emission Testing

作　　者：赵江海[1] 史仪凯[1] 单宁[1] 袁小庆[1] 

机构地区：[1]西北工业大学机电学院,西安710072

出　　处：《无损检测》2007年第3期146-149,共4页Nondestructive Testing

基　　金：航空科学基金(04I53068)

摘　　要：介绍光纤声发射传感技术的研究现状和最新进展。综述和评价了基于强度调制、相位调制、波长调制、偏振调制和一些新型调制原理的光纤声发射传感技术,介绍了应用实例,最后提出了目前光纤声发射传感技术研究中急需解决的问题和发展趋势。The present situation and development of fiber optic sensor of acoustic emission （AE） testing technique were introduced. The fiber optic sensor of AE testing techniques based on the intensity modulation, pbase-modulation, wavelength-modulation, polarization-modulation and some novel modulation principles were reviewed and evaluated. Some application examples were presented. The present urgent challenging problems and development tendency were also put forward.

关 键 词：光纤传感器 声发射检测 调制 综述 

分 类 号：TG115.28[金属学及工艺—物理冶金]