High-speed fibre Bragg grating sensor interrogation using dispersion compensation fibre |
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| Authors: | Fu H.Y. Liu H.L. Dong X. Tam H.Y. Wai P.K.A. Lu C. |
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| Affiliation: | Dept. of Electr. Eng., Hong Kong Polytech. Univ., Hong Kong; |
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| Abstract: | 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. |
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