Sub-surface thermal measurement in additive manufacturing via machine learning-enabled high-resolution fiber optic sensing - Wang, Rongxuan; Wang, Ruixuan; Dou, Chaoran; Yang, Shuo; Gnanasambandam, Raghav; Wang, Anbo; Kong, Zhenyu (James) (Nature communications, 2024)
Keywords: 639/166/988; 639/301/930/1032; 639/624/1107/510; Additive manufacturing; Beds (process engineering); Bragg gratings; Continuous fibers; Cooling rate; Demodulation; Embedding; Fiber optics; Finite element method; Heating; Humanities and Social Sciences; Laser cooling; Laser damage; Learning algorithms; Machine learning; Manufacturing; Manufacturing industry; Mathematical models; Measurement techniques; Mechanical properties; Melting; Microstructure; multidisciplinary; Optical measuring instruments; Optical properties; Science; Science (multidisciplinary); Sensors; Spatial discrimination; Spatial resolution; Surface temperature; Temperature gradients; Temperature measurement; Thermal analysis; Thermal measurement; Three dimensional printing