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Journal of Microwaves, Optoelectronics and Electromagnetic Applications

versão On-line ISSN 2179-1074


NEGRI, Lucas H. et al. Solving the inverse scattering problem with differential evolution: an experimental validation. J. Microw. Optoelectron. Electromagn. Appl. [online]. 2018, vol.17, n.2, pp.298-305. ISSN 2179-1074.

This work shows the experimental validation of a method developed for determining the strain profile applied to a fiber Bragg grating by solving the inverse scattering problem. The non-uniform strain profile is recovered by formulating an optimization problem, solved with an algorithm based on differential evolution. The method has proved to be able of recovering the shape and approximate amplitude of the actual strain profile applied to the FBG, opening new perspectives for optical sensing with fiber Bragg gratings.

Palavras-chave : Computational Intelligence; Differential Evolution; Fiber Bragg Gratings; Optical Sensors; Strain Sensing.

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