Fiber torsion sensor based on a twist taper in polarization-maintaining fiber | Zendy

Quan Zhou | Zendy; Weigang Zhang | Zendy; Lei Chen | Zendy; Tieyi Yan | Zendy; Liyu Zhang | Zendy; Li Wang | Zendy; Biao Wang | Zendy

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Fiber torsion sensor based on a twist taper in polarization-maintaining fiber

Author(s) -

Quan Zhou,

Weigang Zhang,

Lei Chen,

Tieyi Yan,

Liyu Zhang,

Li Wang,

Biao Wang

Publication year - 2015

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.23.023877

Subject(s) - fusion splicing , torsion (gastropod) , optics , twist , materials science , polarization maintaining optical fiber , fiber optic sensor , optical fiber , graded index fiber , polarization (electrochemistry) , physics , chemistry , medicine , geometry , surgery , mathematics

A novel optical fiber torsion sensor head is proposed. A section of polarization-maintaining fiber (PMF) is spliced between single mode fiber (SMF), and a twist taper is fabricated by a commercial electric-arc fusion splicer in the middle of the PMF. The asymmetric characteristics are obtained by the twist taper so that a fiber torsion sensor with directional discrimination is fabricated. Due to the characteristics of the asymmetric structure, the torsion sensitivity for the twist rate from 0 rad/m to -8 rad/m reaches 2.392 nm/rad·m-1, and for the twist rate from 0 rad/m to 8 rad/m reaches 1.071 nm/rad·m-1 respectively.

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