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Single‐mode–multimode–single‐mode fiber structures for simultaneous measurement of strain and temperature
Author(s) -
Wu Qiang,
Semenova Yuliya,
Hatta Agus Muhammad,
Wang Pengfei,
Farrell Gerald
Publication year - 2011
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.26205
Subject(s) - multi mode optical fiber , materials science , single mode optical fiber , atmospheric temperature range , strain (injury) , temperature measurement , spectrum analyzer , optics , fiber , microwave , optoelectronics , resolution (logic) , optical fiber , physics , telecommunications , computer science , composite material , medicine , quantum mechanics , artificial intelligence , meteorology
This article presents two related techniques for the simultaneous measurement of strain and temperature: (1) using two single‐mode–multimode–single‐mode (SMS) fiber structures accompanied with an optical spectral analyzer (OSA); (2) using three SMS fiber structures and a ratiometric power measurement system.Experimental results show that (1) the technique accompanied with an OSA has a resolution of 1.64 με for strain in the range from 0 to 1000 με and 0.11°C for temperature and (2) the technique based on ratiometric system offers a resolution of better than 2 με for strain measurements in the range from 0 to 1000 με and a resolution better than 0.84°C for temperature. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26205
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