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23 May 2005 Demodulation of serial fibre Bragg grating sensor arrays by Fourier transform spectroscopy using an over-moded laser reference
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Proceedings Volume 5855, 17th International Conference on Optical Fibre Sensors; (2005) https://doi.org/10.1117/12.623281
Event: 17th International Conference on Optical Fibre Sensors, 2005, Bruges, Belgium
Abstract
We report a Fourier Transform Spectroscopy scheme for the simultaneous demodulation of a Bragg grating sensor array and the measurement of the intra-grating spectral structure of the individual gratings of the array, based on referencing to a transversely multimode laser. The performance for this reference, relative to that of a single-mode reference, is evaluated in the context of coherence effects, temperature sensing, and high-resolution intra-grating spectral measurement. The results indicate the potential for grating demodulation across the full spectrum of the E, S, C and L optical telecommunications bands.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Kieran T. O'Mahoney, Donal A. Flavin, Lin Zhang, and Ian Bennion "Demodulation of serial fibre Bragg grating sensor arrays by Fourier transform spectroscopy using an over-moded laser reference", Proc. SPIE 5855, 17th International Conference on Optical Fibre Sensors, (23 May 2005); https://doi.org/10.1117/12.623281
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