High-sensitivity fibre-optic accelerometer

High-sensitivity fibre-optic accelerometer

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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.


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