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Etched FBG written in multimode fibers: sensing characteristics and applications in the liquid fuels sector

Raquel de Paiva Corotti Jr et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo

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Author / responsible party
Raquel de Paiva Corotti Jr et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
ISSN
2179-1074
ISSN
2179-1074
Language
English

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AbstractIn this work, a refractometric fiber sensor for the liquid fuels sector is described. The use of etched FBGs produced in multimode fibers is proposed to overcome the drawbacks associated with sensing high refractive index samples employing fiber transducers. The transducer sensitivity can be tailored by adjusting the final diameter of the etched Bragg grating. Due to a trade-off between the signal-to-noise ratio and the sensitivity, operational parameters of the sensor must be designed to match the expected refractive index dynamic range for specific applications. Metrological properties of the sensor are determined, resulting in resolution from 5.6 % v/v to 0.4 % v/v for refractive indexes ranging from 1.4562 to 1.4729. Specific applications regarding the quality assessment of biodiesel and conformity analysis of diesel-biodiesel blends are discussed.

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APA 7

al, R. D. P. C. J. E. (s. f.). Etched FBG written in multimode fibers: sensing characteristics and applications in the liquid fuels sector. https://doi.org/10.1590/2179-10742015v14i1426

MLA

al, Raquel de Paiva Corotti Jr et. "Etched FBG written in multimode fibers: sensing characteristics and applications in the liquid fuels sector.". https://doi.org/10.1590/2179-10742015v14i1426.

Chicago

al, Raquel de Paiva Corotti Jr et. s. f. "Etched FBG written in multimode fibers: sensing characteristics and applications in the liquid fuels sector.". https://doi.org/10.1590/2179-10742015v14i1426.

Harvard

al, R. D. P. C. J. E. s. f, Etched FBG written in multimode fibers: sensing characteristics and applications in the liquid fuels sector, Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo, available at: https://doi.org/10.1590/2179-10742015v14i1426 [Accessed 7 Aug. 2026].

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Title
Etched FBG written in multimode fibers: sensing characteristics and applications in the liquid fuels sector
Author / contributors
Raquel de Paiva Corotti Jr et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
ISSN
2179-1074
ISSN
2179-1074
Language
English

Subjects

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Optical fiber transducer; chemical sensor; refractometric sensor; biodiesel analysis
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