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High-sensitivity fibre-optic accelerometer

High-sensitivity fibre-optic accelerometer

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© The Institution of Electrical Engineers
Published

A sensitive accelerometer is described, in which single-mode optical fibre is used to detect acceleration induced dimensional changes in a compliant cylinder. The device sensitivity and overall frequency response can be tailored through a suitable choice of the compliant material employed. Sensitivities better than 1000 rad/g (10 m/s2) are exhibited using rubber as the compliant material.

Inspec keywords: accelerometers; frequency response; fibre optics

Other keywords: fibre-optic accelerometer; compliant cylinder; rubber; frequency response; device sensitivity

Subjects: Fibre optics; Sensing and detecting devices; Velocity, acceleration and rotation measurement; Velocity, acceleration and rotation measurement; Fibre optics and fibre waveguides; Sensing devices and transducers

References

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      • A. Dandridge , A.B. Tveten , G.H. Sigel , E.J. West , T.G. Giallorenzi . Optical fibre magnetic field sensors. Electron. Lett. , 408 - 409
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      • S. Timoshenko , J.N. Goodier . (1970) , Theory of elasticity.
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      • J.A. Bucaro , H.D. Dardy , J. Cardme . Fibre-optic hydrophone. J. Acoust. Soc. Am.
    4. 4)
      • A.B. Tveten , A. Dandridge , C.M. Davis , T.G. Giallorenzi . Fibre-optic accelerometer. Electron. Lett. , 854 - 856
    5. 5)
      • C.D. Butter , G.B. Hocker . Fibre-optic strain gauge. Appl. Opt.
    6. 6)
      • D.A. Jackson , A. Dandridge , S.K. Sheem . Measurement of small phase shifts using a single mode optical fibre interferometer. Opt. Lett.
    7. 7)
      • D.A. Jackson , R. Priest , A. Dandridge , A.B. Tveten . Elimination of drift in a single mode optical fibre interferometer using a piezoelectrically stretched coiled fibre. Appl. Opt.
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