A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Distributed gas detection along microstructured optical fibers through photothermal absorption
X Reunión Española de Optoelectrónica (OPTOEL17), 12/07/2017-14/07/2017, Santiago de Compostela, España. ; Chirped-pulse phase-sensitive optical time domain reflectometry has shown a remarkable performance when applied to dynamic measurements of strain and temperature, recently reaching ranges of several kilometers while interrogating the fiber at acoustic frequencies. In this work, its sensitivity, fast response, and high spatial resolution are exploited to demonstrate the reliability of a selective distributed chemical sensor based on the photothermal effect. The presented scheme performs distributed spectroscopic detection of acetylene along a holey fiber. This potentially gives rise to a new kind of distributed chemical sensors able to track the concentration of chemical species over kilometres. ; European Commission ; Ministerio de Economía y Competitividad ; Comunidad de Madrid
Distributed gas detection along microstructured optical fibers through photothermal absorption
X Reunión Española de Optoelectrónica (OPTOEL17), 12/07/2017-14/07/2017, Santiago de Compostela, España. ; Chirped-pulse phase-sensitive optical time domain reflectometry has shown a remarkable performance when applied to dynamic measurements of strain and temperature, recently reaching ranges of several kilometers while interrogating the fiber at acoustic frequencies. In this work, its sensitivity, fast response, and high spatial resolution are exploited to demonstrate the reliability of a selective distributed chemical sensor based on the photothermal effect. The presented scheme performs distributed spectroscopic detection of acetylene along a holey fiber. This potentially gives rise to a new kind of distributed chemical sensors able to track the concentration of chemical species over kilometres. ; European Commission ; Ministerio de Economía y Competitividad ; Comunidad de Madrid
Distributed gas detection along microstructured optical fibers through photothermal absorption
García Ruiz, Andrés (author) / Pastor Graells, Juan (author) / Fidalgo Martins, Hugo (author) / Hey Tow, Kenny (author) / Thévenaz, Luc (author) / Martín López, Sonia (author) / González Herráez, Miguel (author) / Ingeniería Fotónica / Universidad de Alcalá. Departamento de Electrónica
2017-07-12
Conference paper
Electronic Resource
English
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