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Proceedings Paper

Bend sensors based on periodically tapered soft glass fibers
Author(s): Yiping Wang; David Richardson; Gilberto Brambilla; Xian Feng; Marco Petrovich; Ming Ding; Zhangqi Song
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Paper Abstract

We demonstrate a technique for tapering periodically an all-solid soft glass fiber consisting of two types of lead silicate glasses by the use of a CO2 laser and investigate the bend sensing applications of the periodically-tapered soft glass fiber. Such a soft glass fiber with periodic microtapers could be used to develop a promising bend sensor with a sensitivity of -27.75 μW/m-1 by means of measuring the bend-induced change of light intensity. The proposed bend sensor exhibits a very low measurement error of down to ± 1%.

Paper Details

Date Published: 17 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77534J (17 May 2011); doi: 10.1117/12.885040
Show Author Affiliations
Yiping Wang, Univ. of Southampton (United Kingdom)
Harbin Engineering Univ. (China)
David Richardson, Univ. of Southampton (United Kingdom)
Gilberto Brambilla, Univ. of Southampton (United Kingdom)
Xian Feng, Univ. of Southampton (United Kingdom)
Marco Petrovich, Univ. of Southampton (United Kingdom)
Ming Ding, Univ. of Southampton (United Kingdom)
Zhangqi Song, Univ. of Southampton (United Kingdom)


Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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