Optical Fibre Distributed Chemical Sensor

Dr Elena Sinchenko

Centre for Quantum and Optical Science, Swinburne University of Technology

3:30 pm Friday, 21 February 2014, EN103 Lecture Theatre (EN Building), Hawthorn.

Distributed optical fibre sensors based on evanescent field interaction are attractive for the unique capacity of measuring chemical distributions over distances of hundred of meters or more. They have potential applications in structural health monitoring, environmental monitoring, and homeland security. These sensors benefit from the use of passive materials that are stable against electromagnetic, chemical, and mechanical interference.
In this presentation I will give an overview of our progress towards the development of a distributed optical fibre based sensor for chemical detection. The experimental and theoretical investigations of the absorbance and fluorescence response of the optical fibre evanescence wave sensor will be presented. Also I will report the results of practical application of the developed distributed sensing system in corrosion determination.

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