Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/88902
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dc.contributor.authorZheng, Yangzien
dc.contributor.authorChen, Li Hanen
dc.contributor.authorChan, Chi Chiuen
dc.contributor.authorDong, Xinyongen
dc.contributor.authorYang, Jingyien
dc.contributor.authorTou, Zhi Qiangen
dc.contributor.authorSo, Ping Lamen
dc.contributor.editorKalinowski, Hypolito J.en
dc.contributor.editorFabris, José Luísen
dc.contributor.editorBock, Wojtek J.en
dc.date.accessioned2018-12-17T06:47:51Zen
dc.date.accessioned2019-12-06T17:13:23Z-
dc.date.available2018-12-17T06:47:51Zen
dc.date.available2019-12-06T17:13:23Z-
dc.date.issued2015en
dc.identifier.citationZheng, Y., Chen, L. H., Chan, C. C., Dong, X., Yang, J., Tou, Z. Q., & So, P. L. (2015). Optical fiber Fabry-Perot interferometer with pH sensitive hydrogel film for hazardous gases sensing. Proceedings of SPIE - 24th International Conference on Optical Fibre Sensors, 9634, 963467-. doi:10.1117/12.2194772en
dc.identifier.urihttps://hdl.handle.net/10356/88902-
dc.description.abstractAn optical fiber Fabry-Perot interferometer (FPI) coated with polyvinyl alcohol/poly-acrylic acid (PVA/PAA) hydrogel film for toxic gases measurement has been developed. Splicing a short section of hollow core fiber between two single mode fibers forms the FPI. Dip-coated pH-sensitive PVA/PAA hydrogel film on the fiber end performs as a receptor for binding of volatile acids or ammonia, which makes the sensing film swelling or shrinking and results in the dip wavelength shift of the FPI. By demodulating the evolution of reflection spectrum for various concentrations of volatile acids, a sensitivity of 20.8 nm/ppm is achieved with uniform linearity.en
dc.format.extent4 p.en
dc.language.isoenen
dc.rights© 2015 Society of Photo-optical Instrumentation Engineers (SPIE). This paper was published in Proceedings of SPIE - 24th International Conference on Optical Fibre Sensors and is made available as an electronic reprint (preprint) with permission of Society of Photo-optical Instrumentation Engineers (SPIE). The published version is available at: [http://dx.doi.org/10.1117/12.2194772]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectOptical Fiberen
dc.subjectPolyvinyl Alcoholen
dc.subjectDRNTU::Engineering::Chemical engineeringen
dc.titleOptical fiber Fabry-Perot interferometer with pH sensitive hydrogel film for hazardous gases sensingen
dc.typeConference Paperen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
dc.contributor.conferenceProceedings of SPIE - 24th International Conference on Optical Fibre Sensorsen
dc.contributor.researchEnergy Research Institute @ NTU (ERI@N)en
dc.identifier.doi10.1117/12.2194772en
dc.description.versionPublished versionen
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