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Fibre optic accelerometer
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1980
Year
Optical Path LengthEngineeringFibre Optic AccelerometerMeasurementCalibrationMechanical EngineeringAccelerometerWearable TechnologyFiber Optic SensingEducationFiber OpticsInclinometerInstrumentationAll-fibre Mach-zehnder InterferometerOptical SensorFiber Optic
A sensitivity of less than 1 μg for a fibre optic accelerometer is demonstrated. The accelerometer measures the strain in the fibre when a mass is accelerated. An all-fibre Mach-Zehnder interferometer was used to detect the change in optical path length produced by the strain in the fibre.