Optical fibre sensor using frequency beating technique
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Universiti Malaysia Perlis (UniMAP)
2020
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my.unimap-651672020-06-23T04:40:03Z Optical fibre sensor using frequency beating technique Deyhaa, A. Resen Jassim, K. Hmood Sulaiman, W. Harun dheyaaaa@gmail.com Bragg Grating Fibre Fabry-Perot Narrow-Bandpass Filter Interferometric Sensors Optical Heterodyne Technique Link to publisher's homepage at http://ijneam.unimap.edu.my In this paper, a new method to realize the optical fibre sensor using an optical heterodyne technique (OHT) is proposed and numerically demonstrated. In this method, the bandpass filter (BPF) was utilized as a reference element and fibre Bragg grating (FBG) served as a sensing element. The wideband light is equally split and launched to sensing and reference elements. The reflected light of sensing element coherently interferes with the output of BPF inside 3-dB coupler. A photodiode detects the interfered signal and the beat frequency can be determined to achieve a high-resolution. To examine the proposed method, the scheme for temperature sensing is investigated. The Fabry-Perot narrow-bandpass filter type (F7 glass) serve as BPF. The results reveal that a good and fast response to temperature change with the sensitivity of 1.152 GHz/ oC can be obtained. 2020-06-23T04:40:03Z 2020-06-23T04:40:03Z 2020-04 Article International Journal of Nanoelectronics and Materials, vol.13(2), 2020, pages 241-248 1985-5761 (Printed) 1997-4434 (Online) http://dspace.unimap.edu.my:80/xmlui/handle/123456789/65167 http://ijneam.unimap.edu.my en Universiti Malaysia Perlis (UniMAP) |
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English |
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Bragg Grating Fibre Fabry-Perot Narrow-Bandpass Filter Interferometric Sensors Optical Heterodyne Technique |
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Bragg Grating Fibre Fabry-Perot Narrow-Bandpass Filter Interferometric Sensors Optical Heterodyne Technique Deyhaa, A. Resen Jassim, K. Hmood Sulaiman, W. Harun Optical fibre sensor using frequency beating technique |
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Link to publisher's homepage at http://ijneam.unimap.edu.my |
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dheyaaaa@gmail.com |
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dheyaaaa@gmail.com Deyhaa, A. Resen Jassim, K. Hmood Sulaiman, W. Harun |
| format |
Article |
| author |
Deyhaa, A. Resen Jassim, K. Hmood Sulaiman, W. Harun |
| author_sort |
Deyhaa, A. Resen |
| title |
Optical fibre sensor using frequency beating technique |
| title_short |
Optical fibre sensor using frequency beating technique |
| title_full |
Optical fibre sensor using frequency beating technique |
| title_fullStr |
Optical fibre sensor using frequency beating technique |
| title_full_unstemmed |
Optical fibre sensor using frequency beating technique |
| title_sort |
optical fibre sensor using frequency beating technique |
| publisher |
Universiti Malaysia Perlis (UniMAP) |
| publishDate |
2020 |
| url |
http://dspace.unimap.edu.my:80/xmlui/handle/123456789/65167 |
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1674067688971829248 |