Two-dimensional bend sensing with a single, multi-core optical fibre

Paul M Blanchard; James G Burnett; G R G Erry; Alan Howard Greenaway; P Harrison; B Mangan; J C Knight; P St J Russell; M J Gander; Roy McBride; Julian David Clayton Jones

doi:10.1088/0964-1726/9/2/302

Two-dimensional bend sensing with a single, multi-core optical fibre

Paul M Blanchard, James G Burnett, G R G Erry, Alan Howard Greenaway, P Harrison, B Mangan, J C Knight, P St J Russell, M J Gander, Roy McBride, Julian David Clayton Jones

Research output: Contribution to journal › Article › peer-review

105 Citations (Scopus)

Abstract

Measurement of two-dimensional bending in a structural element using intrinsic optical fibre strain gauges would normally require three sensors to be attached to, or embedded within, the structure. The same measurement can now be made using a single multi-core optical fibre, reducing deployment cost and increasing practicality. Fabrication of a novel three-core photonic crystal fibre is described. The ability of the fibre sensor to measure bend in two dimensions is demonstrated in the laboratory using interferometric interrogation at a single wavelength. Deployment of the sensor to measure the deformation of a bridge undergoing loading trials is described.

Original language	English
Pages (from-to)	132-140
Number of pages	9
Journal	Smart Materials and Structures
Volume	9
Issue number	2
DOIs	https://doi.org/10.1088/0964-1726/9/2/302
Publication status	Published - Apr 2000

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title = "Two-dimensional bend sensing with a single, multi-core optical fibre",

abstract = "Measurement of two-dimensional bending in a structural element using intrinsic optical fibre strain gauges would normally require three sensors to be attached to, or embedded within, the structure. The same measurement can now be made using a single multi-core optical fibre, reducing deployment cost and increasing practicality. Fabrication of a novel three-core photonic crystal fibre is described. The ability of the fibre sensor to measure bend in two dimensions is demonstrated in the laboratory using interferometric interrogation at a single wavelength. Deployment of the sensor to measure the deformation of a bridge undergoing loading trials is described.",

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AU - Blanchard, Paul M

AU - Burnett, James G

AU - Erry, G R G

AU - Greenaway, Alan Howard

AU - Harrison, P

AU - Mangan, B

AU - Knight, J C

AU - Russell, P St J

AU - Gander, M J

AU - McBride, Roy

AU - Jones, Julian David Clayton

PY - 2000/4

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AB - Measurement of two-dimensional bending in a structural element using intrinsic optical fibre strain gauges would normally require three sensors to be attached to, or embedded within, the structure. The same measurement can now be made using a single multi-core optical fibre, reducing deployment cost and increasing practicality. Fabrication of a novel three-core photonic crystal fibre is described. The ability of the fibre sensor to measure bend in two dimensions is demonstrated in the laboratory using interferometric interrogation at a single wavelength. Deployment of the sensor to measure the deformation of a bridge undergoing loading trials is described.

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JO - Smart Materials and Structures

JF - Smart Materials and Structures

IS - 2

ER -

Two-dimensional bend sensing with a single, multi-core optical fibre

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