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High-speed fibre Bragg grating sensor interrogation using dispersion compensation fibre

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6 Author(s)
H. Y. Fu ; Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hong Kong ; H. L. Liu ; X. Dong ; H. Y. Tam
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A novel high-speed fibre Bragg grating (FBG) sensor interrogator using dispersion-compensating fibre is proposed and demonstrated. The wavelength shift measurement of the FBG sensor is converted to time-domain measurement. The high-speed potential of this scheme was investigated experimentally, demonstrating an effective sampling speed of 2.44 megasamples per second.

Published in:

Electronics Letters  (Volume:44 ,  Issue: 10 )