Highly sensitive biosensor based on a microstructured photonic crystal fibre for alcohol sensing

dc.contributor.authorAng, Chuan
dc.contributor.authorMaid, Abdul
dc.contributor.authorKaijage, Shubi
dc.contributor.authorBegum, Feroza
dc.date.accessioned2023-09-18T17:01:36Z
dc.date.available2023-09-18T17:01:36Z
dc.date.issued2023-04-15
dc.descriptionThis research article was published by Elsevier 2023en_US
dc.description.abstractA microstructure alcohol biosensor has been proposed to operate in the wavelength range of 0.8 to 2.0 μm for the sensing of propanol, butanol, and pentanol, unveiling impressive results of relative sensitivity and confinement loss. The results are achieved by implementing closely arranged cladding air holes of 3 rings with a single elliptical core hole for analyte infiltration. Performance evaluation of the sensor was conducted using COMSOL Multiphysics software and yields relative sensitivity of 96.75%, 89.60%, and 82.02% for propanol, butanol, and pentanol, respectively, and confinement losses of 5.49 × 10 12 dB/m for propanol, 1.98 × 10 12 dB/m for butanol, and 9.36 × 10 13 dB/m for pentanol. Other optical parameters have also been analysed that recorded effective refractive index, high power fraction, low birefringence, small effective area, and large nonlinear co- efficients. The proposed biosensor is eligible for practical application in alcohol sensing with these results. Moreover, this proposed biosensor is suitable as a supercontinuum source in optical communication systems because of the high nonlinear coefficients.en_US
dc.identifier.urihttps://doi.org/10.1016/j.rio.2023.100433
dc.identifier.urihttps://dspace.nm-aist.ac.tz/handle/20.500.12479/2024
dc.language.isoenen_US
dc.publisherElseiveren_US
dc.subjectPhotonic crystal fibreen_US
dc.subjectRelative sensitivityen_US
dc.titleHighly sensitive biosensor based on a microstructured photonic crystal fibre for alcohol sensingen_US
dc.typeArticleen_US

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