BAM	Bundesanstalt für Materialforschung und-prüfung
CC	Correlation Coefficient
CIS	Crack Induced Strain
COD	Crack Optical Displacement
CWI	Coda Wave Interferometry
DFOS	Distributed Fiber Optics Sensing
FBG	Fiber Bragg Grating
FO	Fiber Optics
FOS	Fiber Optics Sensors
IFSTTAR	The French Institute of Science and Technology for Transport, Development and Networks
LVDT	Linear Variable Differential Transformer
NDT	Non-Destructive Testing
OBR	Optical Backscattering Reflectometry
SG	Strain Gauge
SHM	Structural Health Monitoring
US	Ultra Sonics