Electronics Letters · 1980 · 85 citations · 0 references
EngineeringElectrical EngineeringInstrumentationOpticsSensorsFiber OpticsMechanical SensorsOptical FibersOptical SensorsStrain MeasurementStrain SensorsFiber Optic Displacement SensorsFiber SensorsFiber-optic SensorsMach-zehnder InterferometersOptical Fiber Strain SensingOptical Fiber Strain SensorsOptical Path Length
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.