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RESEARCH THEMES
UBIQUITOUS SENSING
Continuous Distributed Sensing using Fiber Optic Sensors:
The current state of the art for fiber optic sensing is the use of Fiber Bragg Grating and similar discrete sensing elements for localising the measurements. These techniques are now well known and applied in practical applications such as for structural health monitoring and process measurements. However, when faced with large volume of monitoring, the discrete approach becomes very limited in scope and increasing the number of discrete sensors becomes the limiting factor. Hence, continuous sensing will be the preferred solution where the sensing element is non-discrete and information anywhere along the length of the fiber can be obtained. Currently, continuous sensing is feasible using Rayleigh Scattering. This covers large volume, but with low resolution. Hence, it is necessary to explore new paradigms in fiber optic sensing techniques where large volume and higher resolution of measurement becomes feasible. In addition, the current sensors have an upper operational temperature range and increasing this operational temperature ranges will also be desirable.
Structured Materials for Imaging
