EFP	Excipient-free paracetamol
SVM	Support vector machine
PLSR	Projection to latent structures regression
LOD	Limit of detection
API	Active pharmaceutical ingredient
LPFG	Long-period fiber grating
ML	Machine learning
PLS	Projection to latent structures
LS	Latent structures
TP	True positive
TN	True negative
FP	False positive
FN	False negative
OSA	Optical spectrum analyzer
SLD	Superluminescent diode