Demultiplexing of interferometrically interrogated fiber Bragg grating sensors: FFT vs MUSIC
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2006Derechos
© 2006 Optical Society of America. This paper was published in Optical Fiber Sensors and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: http://dx.doi.org/10.1364/OFS.2006.ThE81. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.
Publicado en
Optical Fiber Sensors (OFS) 2006, paper ThE81, Cancun, Mexico
Editorial
Optical Society of America
Palabras clave
Multiplexing
Fourier transforms
Signal processing
Fiber optics sensors
Resumen/Abstract
We describe an interferometric technique for the demodulation of serial fiber Bragg grating sensor arrays, yielding absolute measurement of the individual grating mean wavelengths. We compare two methods for decoding the Bragg wavelengths of gratings.
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