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Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach

A mirrorless refractometer was studied and analyzed using the quasi-Gaussian beam approach. The Fresnel equation for reflectivity at the interface between two mediums with different refractive indices was used to calculate the directional reflectivity, R. Various liquid samples from 1.3325 to 1.4657...

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Main Authors: M. Abdullah, M. Abdullah, Krishnan, Ganesan, Saliman, Tiffany, Ahmad, M. Fakaruddin Sidi, Bidin, Noriah
Format: Article
Published: Institute of Physics Publishing 2018
Subjects:
QC Physics
Online Access:http://eprints.utm.my/id/eprint/85947/
http://dx.doi.org/10.1088/1555-6611/aa9d6b
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spelling my.utm.859472020-07-30T07:39:06Z http://eprints.utm.my/id/eprint/85947/ Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach M. Abdullah, M. Abdullah Krishnan, Ganesan Saliman, Tiffany Ahmad, M. Fakaruddin Sidi Bidin, Noriah QC Physics A mirrorless refractometer was studied and analyzed using the quasi-Gaussian beam approach. The Fresnel equation for reflectivity at the interface between two mediums with different refractive indices was used to calculate the directional reflectivity, R. Various liquid samples from 1.3325 to 1.4657 refractive indices units were used. Experimentally, a fiber bundle probe with a concentric configuration of 16 receiving fibers and a single transmitting fiber was employed to verify the developed models. The sensor performance in term of sensitivity, linear range, and resolution, were analyzed and calculated. It has been shown that the developed theoretical models are capable of providing quantitative guidance of the output of the sensor with high accuracy. The highest resolution of the sensor was 4.39 itimes; 10-3 refractive indices units, obtained by correlating the peak voltage along the refractive index. The resolution is sufficient for determining the specific refractive index increment of most polymer solutions, certain proteins, and also in monitoring bacterial growth. The accuracy, simplicity, and effectiveness of the proposed sensor over a long period of time while having non-contact measurements reflect a good potential for commercialization. Institute of Physics Publishing 2018-03 Article PeerReviewed M. Abdullah, M. Abdullah and Krishnan, Ganesan and Saliman, Tiffany and Ahmad, M. Fakaruddin Sidi and Bidin, Noriah (2018) Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach. Laser Physics, 28 (3). 035102-035102. ISSN 1054-660X http://dx.doi.org/10.1088/1555-6611/aa9d6b
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic QC Physics
spellingShingle QC Physics
M. Abdullah, M. Abdullah
Krishnan, Ganesan
Saliman, Tiffany
Ahmad, M. Fakaruddin Sidi
Bidin, Noriah
Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach
description A mirrorless refractometer was studied and analyzed using the quasi-Gaussian beam approach. The Fresnel equation for reflectivity at the interface between two mediums with different refractive indices was used to calculate the directional reflectivity, R. Various liquid samples from 1.3325 to 1.4657 refractive indices units were used. Experimentally, a fiber bundle probe with a concentric configuration of 16 receiving fibers and a single transmitting fiber was employed to verify the developed models. The sensor performance in term of sensitivity, linear range, and resolution, were analyzed and calculated. It has been shown that the developed theoretical models are capable of providing quantitative guidance of the output of the sensor with high accuracy. The highest resolution of the sensor was 4.39 itimes; 10-3 refractive indices units, obtained by correlating the peak voltage along the refractive index. The resolution is sufficient for determining the specific refractive index increment of most polymer solutions, certain proteins, and also in monitoring bacterial growth. The accuracy, simplicity, and effectiveness of the proposed sensor over a long period of time while having non-contact measurements reflect a good potential for commercialization.
format Article
author M. Abdullah, M. Abdullah
Krishnan, Ganesan
Saliman, Tiffany
Ahmad, M. Fakaruddin Sidi
Bidin, Noriah
author_facet M. Abdullah, M. Abdullah
Krishnan, Ganesan
Saliman, Tiffany
Ahmad, M. Fakaruddin Sidi
Bidin, Noriah
author_sort M. Abdullah, M. Abdullah
title Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach
title_short Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach
title_full Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach
title_fullStr Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach
title_full_unstemmed Theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-Gaussian approach
title_sort theoretical and experimental study of mirrorless fiber optics refractometer based on quasi-gaussian approach
publisher Institute of Physics Publishing
publishDate 2018
url http://eprints.utm.my/id/eprint/85947/
http://dx.doi.org/10.1088/1555-6611/aa9d6b
_version_ 1674066231833919488
score 13.211869

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