Intensity demodulation strain sensor based on two waist‐enlarged fiber tapers | Zendy

An Jiali | Zendy; Liang Houhui | Zendy; Jin Yongxing | Zendy; Dong Xinyong | Zendy

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Intensity demodulation strain sensor based on two waist‐enlarged fiber tapers

Author(s) -

An Jiali,

Liang Houhui,

Jin Yongxing,

Dong Xinyong

Publication year - 2014

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.28220

Subject(s) - demodulation , cladding mode , waist , interferometry , optics , microwave , interference (communication) , materials science , mach–zehnder interferometer , cladding (metalworking) , acoustics , optical fiber , fiber optic sensor , engineering , physics , telecommunications , composite material , polarization maintaining optical fiber , medicine , channel (broadcasting) , obesity

An intensity demodulation strain sensor based on two waist‐enlarged tapers is presented. The two waist‐enlarged tapers form a Mach‐Zehnder (MZ) interferometer. It can be simply fabricated by a commercial splicer and a good physical strength can also be remained for the enlarged taper waist. The MZ interferometer incorporates intermodal interference between core mode and cladding mode. Sensitivity of 0.00215 dBm/µε is achieved experimentally for strain measurement. The proposed sensor has great application due to its low cost, simple construction, and demodulation. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:954–956, 2014

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