光纤超声传感器及应用研究进展

发布时间：2018-04-20 18:28

本文选题：光纤超声传感器 + 光纤强度调制型　；参考：《物理学报》2017年07期

【摘要】：光纤超声传感器通过检测光纤内传输光的强度、波长、相位、偏振态等参数感知超声波的相关信息.相比于传统的电类超声换能器,光纤超声传感器能够实现宽频带超声波信号的高灵敏探测,且其良好的抗干扰能力和复用性,可有效地提高超声波探测的可靠性和效率,在水下国防安全、生物成像、无损探伤、地震物理模型成像等领域具有巨大的应用潜力.目前,按照传感结构,光纤超声传感器可分为光纤强度调制型、光纤干涉型和光纤光栅型,并在不同方面发挥着各自的优势,均受到关注.本文主要综述了这几种传感器的传感机理、实现方法、发展现状,总结了光纤超声传感器的几个应用领域及面临的科学技术挑战,重点讨论了光纤超声传感器作为一种新技术应用于地震物理模型成像.
[Abstract]:The optical fiber ultrasonic sensor senses the ultrasonic information by detecting the intensity, wavelength, phase and polarization state of the light transmitted in the optical fiber. Compared with the traditional electric ultrasonic transducer, the fiber optic ultrasonic sensor can realize the high sensitivity detection of the broadband ultrasonic signal, and its good anti-interference ability and reusability, can effectively improve the reliability and efficiency of ultrasonic detection. It has great application potential in underwater defense safety, biological imaging, nondestructive testing, seismic physical model imaging and so on. At present, according to the sensing structure, the fiber optic ultrasonic sensor can be divided into fiber intensity modulation type, fiber interferometric type and fiber grating type. In this paper, the sensing mechanism, realization methods and development status of these sensors are summarized, and the application fields of optical fiber ultrasonic sensors and the scientific and technological challenges facing them are summarized. The application of optical fiber ultrasonic sensor as a new technique in seismic physical model imaging is discussed.
【作者单位】：西北大学物理学院;
【基金】：国家自然科学基金(批准号:61275088,61605159) 国家高技术研究发展计划(批准号:2007AA03Z413,2009AA06Z203) 中国石油集团公司项目(批准号:2014B-4012,230114003) 陕西省自然科学基金(批准号:S2016YFJQ0899)资助的课题~~
【分类号】：TP212;TN253

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