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Application of a He3Ne infrared laser source for detection of geometrical dimensions of cracks and scratches on finished surfaces of metals

EngineeringMechanical EngineeringLaser SourceGeometrical DimensionsLaser OpticsOptical PropertiesLaser-based SensorMaterials ScienceFinished SurfacesLaser Processing TechnologyLaser-assisted Deposition3D PrintingAdvanced Laser ProcessingNatural SciencesSpectroscopySurface ScienceApplied PhysicsLaser UltrasoundLaser-surface Interactions