STRUTYNSKI, Clément; TEULÉ-GAY, Lionel; DANTO, Sylvain; CARDINAL, Thierry

doi:10.3390/s20082353

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STRUTYNSKI, Clément
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

TEULÉ-GAY, Lionel
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

DANTO, Sylvain
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Sensors. 2020-04, vol. 20, n° 8, p. 2353 (7 p.)

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Résumé en anglais

Experimental development of a compact optical emission detector based on the assembly of a polymer-metal and a standard silica fiber is presented in this paper. This device is exploited in a proof-of-principle experiment for gas detection application by means of plasma spectroscopy in the visible-Near Infrared spectral region. A multimode fiber (MMF) is associated with a functional hollow dual-electrodes elongated structure fabricated by the direct preform-to-fiber homothetic co-drawing. A potential of 1.5 kV is applied between the two electrodes embedded inside the composite cladding, which generates an atmospheric pressure dc glow discharge at the tip of the fiber bundle. The emitted light is then collected by the MMF for optical diagnostics. Probing of different atmospheres is presented at the end of this study.< Réduire

Mots clés en anglais

plasma

multi-material fiber

hybrid fibers

gas sensor

fiber design and fabrication

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Optical emission detector based on plasma discharge generation at the tip of a multimaterial fiber

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