Minimization of interferometric noise in a fibre Bragg grating sensor using a tunable laser and a first derivative interrogation technique

C. C. Chan

doi:10.1117/12.2302065

1 September 1999 Minimization of interferometric noise in a fibre Bragg grating sensor using a tunable laser and a first derivative interrogation technique

C. C. Chan

Author Affiliations +

Proceedings Volume 3746, 13th International Conference on Optical Fiber Sensors; 374623 (1999) https://doi.org/10.1117/12.2302065
Event: 13th International Conference on Optical Fiber Sensors, 1999, Kyongju, Korea, Republic of

Abstract

Modulation characteristics of unwanted interferometric signals (interferometric noise) in a fibre Bragg grating sensor using a tunable laser and a first derivative interrogation technique are investigated. It is found that the wavelength detection error can be reduced significantly by proper modulation of the laser wavelength.

Citation Download Citation

C. C. Chan "Minimization of interferometric noise in a fibre Bragg grating sensor using a tunable laser and a first derivative interrogation technique", Proc. SPIE 3746, 13th International Conference on Optical Fiber Sensors, 374623 (1 September 1999); https://doi.org/10.1117/12.2302065

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