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In-Line Mach-Zehnder Interferometer With D-Shaped Fiber Grating for Temperature-Discriminated Directional Curvature Measurement
Jiang, Biqiang1,2,3; Bai, Zhiyong3; Wang, Changle3; Zhao, Yunhe3; Zhao, Jianlin1,2; Zhang, Lin3; Zhou, Kaiming3,4
Department瞬态光学技术国家重点实验室
2018-02-01
Source PublicationJOURNAL OF LIGHTWAVE TECHNOLOGY
ISSN0733-8724
Volume36Issue:3Pages:742-747
Contribution Rank4
Abstract

A high-sensitivity curvature sensing configuration is implemented by using a fiberMach-Zehnder interferometer (MZI) with D-shaped fiber Bragg grating (FBG). A segment of D-shaped fiber is fusion spliced into a single mode fiber at both sides, and then a shortFBGis inscribed in the D-shaped fiber. The fiber device yields a significant spectrum sensitivity as high as 87.7 nm/m(-1) to the ultralow curvature range from 0 to 0.3 m(-1), and can distinguish the orientation of curvature experienced by the fiber as the attenuation dip producing either a blue or red wavelength shift, by virtue of the asymmetry of D-shaped fiber cladding. In addition, by tracking both resonant wavelengths of the MZI and embedded FBG, the temperature and curvature can be measured simultaneously.

KeywordCurvature Measurement D-shaped Fiber Fiber Bragg Grating (Fbg) Mach-zehnder Interferometer (Mzi)
Subject AreaEngineering, Electrical & Electronic
DOI10.1109/JLT.2017.2776297
Indexed BySCI ; EI
Language英语
WOS IDWOS:000425207100015
EI Accession Number20174904492898
Citation statistics
Document Type期刊论文
Identifierhttp://ir.opt.ac.cn/handle/181661/30759
Collection瞬态光学技术国家重点实验室
Affiliation1.Northwestern Polytech Univ, MOE Key Lab Mat Phys & Chem Extraordinary Condit, Xian 710072, Shaanxi, Peoples R China;
2.Northwestern Polytech Univ, Sch Sci, Shaanxi Key Lab Opt Informat Technol, Xian 710072, Shaanxi, Peoples R China;
3.Aston Univ, Aston Inst Photon Technol, Birmingham B4 7ET, W Midlands, England;
4.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Biqiang,Bai, Zhiyong,Wang, Changle,et al. In-Line Mach-Zehnder Interferometer With D-Shaped Fiber Grating for Temperature-Discriminated Directional Curvature Measurement[J]. JOURNAL OF LIGHTWAVE TECHNOLOGY,2018,36(3):742-747.
APA Jiang, Biqiang.,Bai, Zhiyong.,Wang, Changle.,Zhao, Yunhe.,Zhao, Jianlin.,...&Zhou, Kaiming.(2018).In-Line Mach-Zehnder Interferometer With D-Shaped Fiber Grating for Temperature-Discriminated Directional Curvature Measurement.JOURNAL OF LIGHTWAVE TECHNOLOGY,36(3),742-747.
MLA Jiang, Biqiang,et al."In-Line Mach-Zehnder Interferometer With D-Shaped Fiber Grating for Temperature-Discriminated Directional Curvature Measurement".JOURNAL OF LIGHTWAVE TECHNOLOGY 36.3(2018):742-747.
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