The effect of FBG grating lengths for temperature sensing

In this work, we have successfully fabricated the fiber Bragg grating (FBG) with 1 cm and 3 cm grating length, respectively. The different grating length fabricated by adjusting the slit aperture in order to control UV light transmission while inscribing on the single mode fiber. Then the FBG was de...

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Bibliographic Details
Main Authors: Sahidan, N. S., Salim, M. A. M., Osman, S. S., Bakhtiar, H., Bidin, N., Krishnan, G., Othman, M. H. D., Rahman, M. A., Ismail, A. F., Yahya, N.
Format: Conference or Workshop Item
Language:English
Published: 2020
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Online Access:http://eprints.utm.my/id/eprint/92335/1/NSSahidan2020_TheEffectOfFBGGratingLengthsForTemperatureSensing.pdf
http://eprints.utm.my/id/eprint/92335/
http://dx.doi.org/10.1088/1742-6596/1484/1/012015
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Institution: Universiti Teknologi Malaysia
Language: English
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Summary:In this work, we have successfully fabricated the fiber Bragg grating (FBG) with 1 cm and 3 cm grating length, respectively. The different grating length fabricated by adjusting the slit aperture in order to control UV light transmission while inscribing on the single mode fiber. Then the FBG was demonstrated through different grating length over temperature sensor to determine the differences for temperature sensing. The range for temperature The measured sensitivity of 1 cm and 3 cm grating length is 0.0103 nm/°C and 0.0132 nm/°C respectively at the same value of applied temperature. As a results, the shorter grating length, 1 cm has higher sensitivity response compared to 3 cm grating length over temperature sensing.