Bandwidth modulation and centre wavelength shift of a single FBG for simultaneous water level and temperature sensing
A diaphragm-based hydrostatic level transducer with the use of a single Fibre Bragg grating (FBG) is presented for simultaneous measurement of water level and temperature. In order to distinguish the mismatch between water level and temperature sensitivity, a bandwidth modulation and centre waveleng...
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Online Access: | http://umpir.ump.edu.my/id/eprint/28446/1/Bandwidth%20modulation%20and%20centre%20wavelength1.pdf http://umpir.ump.edu.my/id/eprint/28446/ https://doi.org/10.1016/j.measurement.2020.107955 https://doi.org/10.1016/j.measurement.2020.107955 |
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my.ump.umpir.284462020-06-15T08:50:48Z http://umpir.ump.edu.my/id/eprint/28446/ Bandwidth modulation and centre wavelength shift of a single FBG for simultaneous water level and temperature sensing Vorathin, E. Z. M., Hafizi TS Manufactures A diaphragm-based hydrostatic level transducer with the use of a single Fibre Bragg grating (FBG) is presented for simultaneous measurement of water level and temperature. In order to distinguish the mismatch between water level and temperature sensitivity, a bandwidth modulation and centre wavelength shift measurement technique was introduced. The change in bandwidth is sensitive towards water level variations with a sensitivity of 0.0015 nm/cm. Meanwhile, the change of centre wavelength is sensitive towards water level and temperature variations, with sensitivities of 0.0008 nm/cm and 0.0365 nm/°C, respectively. By expressing the obtained sensitivities in a matrix equation approach, simultaneous water level and temperature measurement can be predicted accurately. Elsevier Ltd 2020 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/28446/1/Bandwidth%20modulation%20and%20centre%20wavelength1.pdf Vorathin, E. and Z. M., Hafizi (2020) Bandwidth modulation and centre wavelength shift of a single FBG for simultaneous water level and temperature sensing. Measurement, 163 (107955). pp. 1-8. ISSN 0263-2241 https://doi.org/10.1016/j.measurement.2020.107955 https://doi.org/10.1016/j.measurement.2020.107955 |
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A diaphragm-based hydrostatic level transducer with the use of a single Fibre Bragg grating (FBG) is presented for simultaneous measurement of water level and temperature. In order to distinguish the mismatch between water level and temperature sensitivity, a bandwidth modulation and centre wavelength shift measurement technique was introduced. The change in bandwidth is sensitive towards water level variations with a sensitivity of 0.0015 nm/cm. Meanwhile, the change of centre wavelength is sensitive towards water level and temperature variations, with sensitivities of 0.0008 nm/cm and 0.0365 nm/°C, respectively. By expressing the obtained sensitivities in a matrix equation approach, simultaneous water level and temperature measurement can be predicted accurately. |
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Article |
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Vorathin, E. Z. M., Hafizi |
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Vorathin, E. Z. M., Hafizi |
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Vorathin, E. |
title |
Bandwidth modulation and centre wavelength shift of a single FBG for simultaneous water level and temperature sensing |
title_short |
Bandwidth modulation and centre wavelength shift of a single FBG for simultaneous water level and temperature sensing |
title_full |
Bandwidth modulation and centre wavelength shift of a single FBG for simultaneous water level and temperature sensing |
title_fullStr |
Bandwidth modulation and centre wavelength shift of a single FBG for simultaneous water level and temperature sensing |
title_full_unstemmed |
Bandwidth modulation and centre wavelength shift of a single FBG for simultaneous water level and temperature sensing |
title_sort |
bandwidth modulation and centre wavelength shift of a single fbg for simultaneous water level and temperature sensing |
publisher |
Elsevier Ltd |
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2020 |
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http://umpir.ump.edu.my/id/eprint/28446/1/Bandwidth%20modulation%20and%20centre%20wavelength1.pdf http://umpir.ump.edu.my/id/eprint/28446/ https://doi.org/10.1016/j.measurement.2020.107955 https://doi.org/10.1016/j.measurement.2020.107955 |
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