Fiber-optics 3D printing 1 A.Fibres 1 Acoustic Sensors 1 Acoustic devices 1 Biocompatibility 1 Compliant actuator 1 Composite fabrication 1 Data handling 1 Disturbance localization 1 Environmental actuation 1 Fabrication strategies 1 Fiber optic sensors 1 Fiber optics 1 Fibers 1 Fibre-optic sensor 1 Gels 1 Grippers 1 Hydrogels 1 Interferometers 1 Micro gripper 1 Micro-fabrication 1 Optical fibers 1 Sagnac interferometer 1 Sensitivity 1 Signal formation 1 Signals analysis 1 Soft composite 1 Soft robotics 1 Stimulus-responsive hydrogels 1