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Single-mode–multimode–single-mode fiber structures for simultaneous measurement of strain and temperature

✍ Scribed by Qiang Wu; Yuliya Semenova; Agus Muhammad Hatta; Pengfei Wang; Gerald Farrell

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
621 KB
Volume
53
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

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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