Chemically functionalised suspended-core fibre for ammonia gas detection

Journal of Lightwave Technology(2021)

Cited 6|Views3
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Abstract
An optical fibre ammonia gas sensor utilising a functionalised four-leaf-clover-shaped suspended-core fibre (SCF) is demonstrated. The fibre is functionalised by depositing a thin layer of an ammonia sensitive dye (tetraphenylporphyrin tetrasulfonic acid hydrate) (TPPS) on the wall of the inner cavities of the SCF through capillary action. An in-line fibre sensing structure is designed for light t...
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Key words
Sensors,Optical fibers,Ammonia,Optical fiber sensors,Fiber optics,Optical variables control,Optical refraction
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