Ocean platforms that are under complex sea conditions and loads for long periods prone to fatigue cracks. These cracks may lead large deformations, even displacement, of the platform, should be monitored ensure engineering safety. Cracks not easily detected in micro stage small levels strain measurement required high accuracy. Furthermore, suddenly developing into especially structural connecti...

In-fibre Bragg gratings are sensor elements which are photo-written into optical fibre using intense ultra-violet laser beams and have the potential for the measurement of strain/deformation and temperature with applications reported including monitoring of highways, bridges, aerospace components and in chemical and biological sensors. The development of a fiber Bragg grating (FBG) measuring sy...