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Simultaneous measurement of strain, temperature and refractive index based on a fiber Bragg grating and an in-line Mach–Zehnder interferometer

EngineeringMeasurementOptical PropertiesCalibrationMechanical EngineeringApplied PhysicsInterferometryOptical MetrologyFiber Bragg GratingIn-line Mach–zehnder InterferometerEducationFiber Optic SensingOptical TestingFiber OpticsInstrumentationOptical CharacterizationFiber OpticRefractive Index