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.
© 2006 Institute of Electronics, Information and Communication Engineers
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(060.4230) Fiber optics and optical communications : Multiplexing
(070.2590) Fourier optics and signal processing : ABCD transforms
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
S. Diaz, M. Lopez-Amo, C. Jáuregui, and J. M. López-Higuera, "Demultiplexing of Interferometrically Interrogated Fiber Bragg Grating Sensors: FFT vs MUSIC," in Optical Fiber Sensors, OSA Technical Digest (CD) (Optical Society of America, 2006), paper ThE81.
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