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13 - Electrical and Electronic Engineering, Metallurgy and Materials
University of Strathclyde
Nonlinearity compensation of the fiber Bragg grating interrogation system based on an arrayed waveguide grating
This research, funded by Scottish Enterprise [£299k, 2008-2010], for the first time demonstrated a technique for the nonlinearity compensation within an arrayed waveguide grating (AWG) based interrogation scheme for fibre Bragg grating (FBG) sensors. The technique greatly improves the FBG peak detection performance, and this, combined with the robustness and high interrogation speed of the AWG component, offers an attractive solution in many industrial applications. This paper continues a series of articles [e.g. 10.1016/j.sna.2008.05.006, 10.1109/TIM.2007.908156, 10.1109/LPT.2006.881651] reporting on a research thread that was uniquely developed at Strathclyde, and which has influenced researchers around the world.