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Intensity measurement bend sensors based on periodically tapered soft glass fibers

By Y. Wang, D.J. Richardson, G. Brambilla, X. Feng, M.N. Petrovich, M. Ding and Z. Song

Abstract

We demonstrate a novel technique for tapering periodically an all-solid soft glass fiber, consisting of two types of lead silicate glasses, by the use of a focused CO2 laser beam 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 promising bend sensors 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%

Topics: QC
Year: 2011
OAI identifier: oai:eprints.soton.ac.uk:177341
Provided by: e-Prints Soton

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