Macrobending Multimode Plastic Optical Fiber Coated with PANI-PVA composite as a pH sensor

Ali Yunus Rohedi; Rizqi Nur Ainun; Iim Fatimah; Nurrisma Puspitasari; S Sudarsono; Gatut Yudoyono

doi:10.12962/j24604682.v20i2.19026

Macrobending Multimode Plastic Optical Fiber Coated with PANI-PVA composite as a pH sensor

Ali Yunus Rohedi, Rizqi Nur Ainun, Iim Fatimah, Nurrisma Puspitasari, S Sudarsono, Gatut Yudoyono

Abstract

The measurement of pH is very important in the medical, industrial and research worlds and each requires measuring instruments with different sensitivities.Measuring the pH of a solution in principle measures hydrogen ions in a solution.In this research, a pH sensor was designed and fabricated using multimode fiber optic macrobending with the fiber optic cladding being peeled off and replaced with a PAni-PVA (polyaniline-polyvinyl alcohol) composite layer.The bending diameter of plastic fiber optics is varied with sizes d = 2.5 cm, d = 2 cm, and d = 1.5 cm.The test results show that the pH sensor created is capable of measuring the pH of the solution linearly in the range pH = 2 to 10 <w:LsdException Locked="false" Pri

Keywords

cladding, intensity; PAni-PVA; pH

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References

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DOI: http://dx.doi.org/10.12962%2Fj24604682.v20i2.19026

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