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Comparison of U and coil-shaped fiber sensors for fluoride detection in water

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Abstract

This article compares the performance of U and coil-shaped fiber optic sensors for the detection of fluoride in water. Low-cost and simple-to-use U-shape and coil-shape evanescent wave fiber optic sensors have been designed and developed for in-situ detection of fluoride in water. The sensitivities of coil and U-shaped sensors are found to be 0.1418 O.D./ppm and 0.1409 O.D./ppm, respectively, with linear regression coefficients (R2) of 98.25% and 98.20%.

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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

This research work is supported by Life Science Research Board (LSRB), DRDO, Delhi under the project LSRB-393.

Funding

This work is supported by the Life Science Research Board (LSRB, DRDO) under the DRDO project LSRB-393.

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Study conception and design were done by Mohd. Ashraf, and Mainuddin. Material preparation, data collection and analysis were performed by Mohd.Ashraf, Mainuddin and Fiza Moin. Analysis was performed by Mohd. Ashraf, Mainuddin, M.T. Beg, Fiza Moin, Ananta Saikia, Sanjai K Dwivedi and Gagan Kumar. All authors read and approved the final manuscript.

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Correspondence to Mainuddin.

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Ashraf, M., Mainuddin, Beg, M.T. et al. Comparison of U and coil-shaped fiber sensors for fluoride detection in water. Opt Quant Electron 56, 273 (2024). https://doi.org/10.1007/s11082-023-05966-4

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  • DOI: https://doi.org/10.1007/s11082-023-05966-4

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