Fiber-optic salinity sensor using fiber-optic displacement measurement with flat and concave mirror

Rahman, H.A. and Sulaiman Wadi Harun and Moh. Yasin and Harith Ahmad (2012) Fiber-optic salinity sensor using fiber-optic displacement measurement with flat and concave mirror. IEEE Journal on Selected Topics in Quantum Electronics, 18 (5). pp. 1529-1533.

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Abstract

A simple intensity modulated displacement sensor is proposed for sensing salinity based on different concentration of sodium chloride (NaCl) in deionized water. The proposed sensor uses a 594-nm He-Ne laser as light source due to the high absorbance of NaCl within that wavelength. The peak voltage and its position of the displacement from both flat and concave mirror are studied. For a concentration change from 0 to 12, the peak voltage decreases linearly from 2.46 to 1.48 mV, while its corresponding position from the flat mirror increases linearly from 1.00 to 1.35 mm with a linearity of more than 96 and 99, respectively. Similarly, the peak voltage corresponding to the displacement with concave mirror decreases linearly from 3.67 to 3.57 mV, while its position increases linearly from 1.20 to 1.45 mm with a linearity of more than 98 and 95, respectively. From the experimental results, it is concluded that as the concentration or density of NaCl increases, the peak voltage decreases proportionately. The stability, high sensitivity, simplicity of design, and low fabrication cost make this sensor suitable for chemical, pharmaceutical, biomedical, and process-control application. © 2012 IEEE.

Item Type: Article
Additional Information: cited By 31
Uncontrolled Keywords: Absorbances; Concave mirror; Concentration change; Displacement sensor; Fabrication cost; Fiber optic displacement sensor; Fiber Sensor; Flat mirrors; He-Ne lasers; High sensitivity; Peak voltage; Process-control applications, Chemical stability; Deionized water; Fiber optics; Light sources; Mirrors; Neon; Salinity measurement; Sodium chloride, Sensors
Divisions: Artikel Ilmiah > SCOPUS INDEXED JOURNAL
Creators:
CreatorsNIM
Rahman, H.A.UNSPECIFIED
Sulaiman Wadi HarunUNSPECIFIED
Moh. YasinUNSPECIFIED
Harith AhmadUNSPECIFIED
Depositing User: Ika Rudianto
Last Modified: 31 Dec 2020 14:24
URI: http://repository.unair.ac.id/id/eprint/102442
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