An efficient and fast detection algorithm for multimode FBG sensing

D. Ganziy; O. Jespersen; B. Rose; O. Bang

doi:10.1117/12.2194305

28 September 2015 An efficient and fast detection algorithm for multimode FBG sensing

D. Ganziy, O. Jespersen, B. Rose, O. Bang

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 963445 (2015) https://doi.org/10.1117/12.2194305
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

We propose a novel dynamic gate algorithm (DGA) for fast and accurate peak detection. The algorithm uses threshold determined detection window and Center of gravity algorithm with bias compensation. We analyze the wavelength fit resolution of the DGA for different values of signal to noise ratio and different typical peak shapes. Our simulations and experiments demonstrate that the DGA method is fast and robust with higher stability and accuracy compared to conventional algorithms. This makes it very attractive for future implementation in sensing systems especially based on multimode fiber Bragg gratings.

Citation Download Citation

D. Ganziy, O. Jespersen, B. Rose, and O. Bang "An efficient and fast detection algorithm for multimode FBG sensing", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 963445 (28 September 2015); https://doi.org/10.1117/12.2194305

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