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General sensitivity enhancement and common-mode compensation principle for interferometric fiber-optic sensors

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1 Author(s)
Buckman, A.B. ; Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA

Numerical simulations are presented which show that, when an optical circuit for common-mode compensation and an electrooptic feedback network for measure and sensitivity enhancement are incorporated into any of four main types of interferometric fiber-optic sensors, measured sensitivity can be enhanced by at least an order of magnitude, while sensitivity to common-mode environmental perturbations (such as source wavelength drift or spatially uniform temperature variation) is drastically reduced

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Lightwave Technology, Journal of  (Volume:8 ,  Issue: 10 )