A Smart Transducer Interface Module for Fibre Bragg Grating Sensors

Document Type

Conference Proceeding


Faculty of Computing, Health and Science


School of Engineering / Centre for Communications Engineering Research




Wild, G., & Hinckley, S. (2009). A smart transducer interface module for fibre Bragg grating sensors. In ACOLS ACOFT 09 Conference: Proceedings of the Australasian Conference on Optics, Lasers and Spectroscopy, and Australian Conference on Optical Fibre Technology in association with the International Workshop on Dissipative Solitons 2009 (p. 521). Australian Optical Society.


In this work we present a Smart Transducer Interface Module (STIM) for fibre Bragg grating sensors. The STIM is designed to directly detect intensity modulated signals, or convert spectrally modulated signals into intensity modulated signals. The STIM is a general purpose interface that has been designed to interface with fibre Bragg grating sensors. The STIM is made up of two optical fibre receivers, a differential amplifier and a digital signal processor. The two received signals are differentially amplified to increase sensitivity and the signal-to-noise ratio. The STIM was tested using an optical fibre Bragg grating strain sensor.

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