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Simultaneous distributed measurement of the strain and temperature for a four-point bending test using polarization-maintaining fiber Bragg grating interrogated by optical frequency domain reflectometry

EngineeringMeasurementOptical PropertiesOptical TestingMechanical EngineeringFiber Optic SensingStructural Health MonitoringFiber OpticsFour-point Bending TestFiber OpticPhotoelasticity