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This paper presents a high performance distributed feedback fiber laser sensor array system. The system adopts PGC-based interferometric wavelength shift demodulation technique and wavelength division multiplexing technique. A strain resolution of 305 fε/√Hz (@ 1 kHz) and the multiplexing of eight channels have been achieved.
© 2009 OSA, IEEE Photonics Society, SPIE, COS, CIC
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