Moh. Yasin and Sulaiman Wadi Harun and Tan, C.F. and Phang, S.W. and Harith Ahmad (2011) Fiber optic chemical sensor using fiber coupler probe based on intensity modulation for alcohol detection. Microwave and Optical Technology Letters, 53 (8). pp. 1935-1938.

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Abstract

A simple intensity modulation based displacement sensor using fiber optic coupler probe is proposed and demonstrated for sensing the concentration of alcohol solution. The intensity of light reduces almost linearly with the displacement and the sensitivity of the curve is dependent on the concentration of the alcohol solution. For a concentration change of methanol from 0 to 35 in distilled water, the sensitivity is observed to be increased linearly with the concentration due to the reduction of the refractive index of the solution. The highest sensitivity is obtained at around 0.00002mV/(). The stability, high sensitivity and simplicity of the sensor make it suitable for chemical, pharmaceutical, biomedical and process control sensing applications. © 2011 Wiley Periodicals, Inc.

Item Type:	Article
Additional Information:	cited By 8
Uncontrolled Keywords:	Alcohol solutions; Concentration change; Displacement sensor; Distilled water; Fiber couplers; Fiber optic coupler; High sensitivity; Intensity modulations; Intensity of light; Probe-based; Sensing applications, Chemical detection; Chemical sensors; Chemical stability; Concentration (process); Fiber optic sensors; Fiber optics; Methanol; Modulation; Photonics; Probes; Refractive index, Fibers
Divisions:	Artikel Ilmiah > SCOPUS INDEXED JOURNAL
Creators:	Creators NIM Moh. Yasin UNSPECIFIED Sulaiman Wadi Harun UNSPECIFIED Tan, C.F. UNSPECIFIED Phang, S.W. UNSPECIFIED Harith Ahmad UNSPECIFIED
Depositing User:	Ika Rudianto
Last Modified:	31 Dec 2020 14:24
URI:	http://repository.unair.ac.id/id/eprint/102450
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