An improved tin oxide core mismatch optical fiber sensor and its preparation method
| Autor: | X.Y. Li, X.X. Wang, Zhaohui Li, E.J. Ding, K.W. Ma, Jing Zhang, S.C. Xu |
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| Rok vydání: | 2019 |
| Předmět: |
Optical fiber
Materials science 02 engineering and technology 01 natural sciences Methane law.invention 010309 optics chemistry.chemical_compound 020210 optoelectronics & photonics Adsorption law 0103 physical sciences 0202 electrical engineering electronic engineering information engineering Electrical and Electronic Engineering Instrumentation Reproducibility business.industry Graphene Tin oxide Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials Core (optical fiber) chemistry Control and Systems Engineering Fiber optic sensor Optoelectronics business |
| Zdroj: | Optical Fiber Technology. 48:253-257 |
| ISSN: | 1068-5200 |
| DOI: | 10.1016/j.yofte.2019.01.002 |
| Popis: | A sensor was fabricated based on optical gas sensing, the sensitivity of tin oxide to methane via surface adsorption and electromagnetic theory. A 62.5/125 μm standard multimode fibre (MMF) and a 9/125 μm standard single-mode fibre (SMF) were spliced to fabricate a core diameter mismatch-based optical fibre methane sensor with an MM-SM-MM structure. The exposed fibre core areas were coated with graphene-doped tin oxide such that a novel graphene-based optical fibre methane sensor was fabricated. The experimental results show that the sensor exhibited a better linear fitting for greater reproducibility in the detection of low concentrations of methane than did the D-type gas sensor reported previously by the same authors. |
| Databáze: | OpenAIRE |
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