NDLI: Theoretical Analysis of Optical Fiber EFPI Sensor Performance for Detecting Lamb Waves

Content Provider	IEEE Xplore Digital Library
Author	Zhang Haiyan Sun Xiuli Qi Xuerui Liu Xiao Lu Donghui
Copyright Year	2008
Description	Author affiliation: Sch. of Commun. & Inf. Eng., Shanghai Univ., Shanghai, China (Zhang Haiyan; Sun Xiuli; Qi Xuerui; Lu Donghui) \|\| Sch. of Electron., Inf. & Electr. Eng., Shanghai Jiaotong Univ., Shanghai, China (Liu Xiao)
Abstract	Structural health monitoring technologies using Lamb waves for composite and metallic structures have been studied extensively in order to assess the safety and the durability of the structures. As a good alternative for conventional piezoelectric transducers (PZT), fiber optic sensors are being widely exploited for their sensing applications, including Lamb wave detection. In this paper, a theoretical analysis of optical fiber extrinsic Fabry-Perot interferometer (EFPI) sensor performance is presented to establish a relationship between the variable parameters of an EFPI sensor and its output characteristics due to ultrasonic Lamb wave field. Numerical results reveal that the performance of EFPI sensor is mainly related to the directional angle of the sensor and appropriate gage length for detecting Lamb waves. The obtained conclusions are useful for the measurement of Lamb waves more precisely.
Starting Page	797
Ending Page	800
File Size	987680
Page Count	4
File Format	PDF
ISBN	9781424438211
DOI	10.1109/CJMW.2008.4772548
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-09-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Shanghai Univ.
Subject Keyword	Optical fibers Lamb wavs Sensor phenomena and characterization fiber optical sensors extrinsic Fabry-Perot interferometer structural health monitoring Optical fiber sensors Ultrasonic variables measurement Piezoelectric transducers Performance analysis Health and safety Optical sensors Monitoring Fabry-Perot interferometers
Content Type	Text
Resource Type	Article

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