NDLI: Mechanism measurement of micro-displacement based on a novel MZ interferometer

Content Provider	IEEE Xplore Digital Library
Author	Shuo Yuan Zhengrong Tong Weihua Zhang Ye Cao
Copyright Year	2014
Description	Author affiliation: Sch. of Electron. Inf. Eng., Tianjin Univ. of Technol., Tianjin, China (Weihua Zhang) \|\| Sch. of Comput. & Commun. Eng., Tianjin Univ. of Technol., Tianjin, China (Shuo Yuan; Zhengrong Tong; Ye Cao)
Abstract	Measurement of micro-displacement sensor based on a novel MZ interferometer is proposed and experimentally demonstrated. It is formed by a spherical-shape structure incorporating a core-offset structure in single mode fibers(SMF). The core mode and cladding modes of SMF are utilized as optical arms of the in-line MZI. The incident light of the two arms can be coupled into the core mode, the resonant wavelength is sensitive to micro-displacement. Experimental results show that the sensor is capable of monitoring micro-displacement change from 0mm to 0.2mm with sensitivity of 183.68nm/mm with regular transmission spectrum and good mechanical strength. Other several physical parameters such pressure, load, vibration, strain can be translated to displacement changes, which make the proposed spherical-shape and core-offset to be used in various applications.
Starting Page	353
Ending Page	357
File Size	374944
Page Count	5
File Format	PDF
ISBN	9781479939787
e-ISBN	9781479939794
DOI	10.1109/ICMA.2014.6885722
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fiber sensors Optical fibers Optical interferometry Sensitivity Wavelength measurement sensitivity displacement measurement
Content Type	Text
Resource Type	Article

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