Fully noncontact measurement of inner cracks in thick specimen with fiber-phased-array laser ultrasonic technique
Cuixiang Pei, Dongchi Yi, Tianhao Liu, Xing Kou, Zhenmao Chen
Topics & Concepts
Phased arrayMaterials scienceOpticsPhased array ultrasonicsUltrasonic sensorPhased-array opticsLaserBundleInterferometryUltrasonic testingThermoelastic dampingOptical fiberFiber laserLaser Doppler vibrometerAcousticsDistributed feedback laserEngineeringComposite materialThermalElectrical engineeringAntenna (radio)MeteorologyPhysicsUltrasonics and Acoustic Wave PropagationThermography and Photoacoustic TechniquesNon-Destructive Testing Techniques