DFB fibre-laser sensor developments

David J. Hill; Ben Hodder; J. De Freitas; Sean D. Thomas; Louise Hickey

doi:10.1117/12.624303

23 May 2005 DFB fibre-laser sensor developments

David J. Hill, Ben Hodder, J. De Freitas, Sean D. Thomas, Louise Hickey

Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.624303
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium

Abstract

Distributed feedback (DFB) fibre-laser sensors have been shown to exhibit many characteristics useful in a range of sensing applications. Uniquely, fibre laser sensors enable the wavelength division multiplexing of a number of devices while maintaining the individual sensor characteristics of extremely high strain sensitivity, high dynamic range and very wide measurement bandwidth in small diameter sensors. These factors have led us to investigate a range of applications including hydrophone arrays, accelerometer designs, embedded acoustic emission sensors and acoustic pickups for musical instruments. This paper provides an overview of the optimised DFB sensor performance, interrogation and sensor configurations along with results and a discussion of the future developments of this technology.

Citation Download Citation

David J. Hill, Ben Hodder, J. De Freitas, Sean D. Thomas, and Louise Hickey "DFB fibre-laser sensor developments", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.624303

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