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Curvature sensor based on fiber loop mirror with polarization maintaining fiber

✍ Scribed by Yu Zhao; Yongxing Jin; Houhui Liang; Jianfeng Wang; Xinyong Dong

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

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✦ Synopsis

Abstract

An optical fiber curvature sensor based on fiber loop mirror with a short section of polarization maintaining fiber (PMF) is proposed and demonstrated experimentally. The PMF of about 100 cm long is inserted into fiber loop mirror, and a section of it about 142 mm is used as the sensing element. The output spectra of fiber loop mirror under different curvatures are measured and analyzed. The sensitivity of the curvature measurement of 0.0344 m^–1^ pm^–1^ is experimentally achieved in the range of 9.3–21.7 m^–1^. The temperature effect of the proposed sensor is also analyzed. Comparing with the sensor of photonic crystal fiber, it is more convenient and simply. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26166

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