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5 October 2009 250 kHz sampling rate FBG interrogator with strong anti-aliasing signal processing
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Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75034S (2009) https://doi.org/10.1117/12.833689
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom
Abstract
In this paper, we outline the functionality of a new Fiber Bragg Grating (FBG) interrogator that has been developed based on requirements from the Flight Test Group of a major European aircraft manufacturer and give some performance figures regarding the dynamic measurement capabilities of the system. The interrogator is designed for sensing the wavelength of short apodized gratings at high sampling rates and with strict requirements on the signal quality in the frequency domain. In particular, the specifications on aliasing and phase distortion will be discussed, and an explanation on how the system can and does meet these specs over different sampling frequencies is given.
© (2009) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jonas Bentell, Dirk Uwaerts, Jonathan Cloots, Thomas Bocquet, Joel Neys, Johan Vlekken, Bob Boons, Jan Van Roosbroeck, and Pin Hong "250 kHz sampling rate FBG interrogator with strong anti-aliasing signal processing", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75034S (5 October 2009); doi: 10.1117/12.833689; https://doi.org/10.1117/12.833689
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