In-service structural health monitoring of composite aircraft structures plays a key role in the
assessment of their performance and integrity. In recent years, Fibre Optic Sensors (FOS) …

Guided waves (GW) and acoustic emission (AE)-based structural health monitoring (SHM)
have widespread applications in structures, as the monitoring of an entire structure is …

Aircraft structures require periodic and scheduled inspection and maintenance operations
due to their special operating conditions and the principles of design employed to develop …

The fiber Bragg grating (FBG) sensor, which was developed over recent decades, has been
widely used to measure manifold static measurands in a variety of industrial sectors. Multiple …

Several reports have recently shown the capability of optical fibre sensors for the detection
of barely visible impact damage (BVID) on CFRP laminates, based on changes in the optical …

Barely visible impact damage (BVID) on carbon fibre reinforced polymer (CFRP) aerospace
components can create interlaminar defects that may deteriorate during operation with …

An innovative microstructured flat optical fiber is designed to obtain a multiaxial strain sensor
for composite material monitoring. The sensing regions are constituted by the two eyelets …

Using a novel range-resolved interferometric signal processing technique based on the
sinusoidal optical frequency modulation of a cost-effective laser diode, a fiber sensing …

Fiber Bragg grating (FBG) sensors are thought to be ideal sensors for structural health
monitoring (SHM). Amplitude based techniques such as matched filters and the edge …

We present, for the first time, an experimental investigation of internal strain monitoring in
thermoplastic composites subjected to quasi-static indentation and low-velocity impact using …