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dc.contributor.authorWong, Wei Changen
dc.contributor.authorChan, Chi Chiuen
dc.contributor.authorLi, Taoen
dc.contributor.authorChen, Li Hanen
dc.contributor.authorBoo, Jia Liangen
dc.contributor.authorLee, Kok Xianen
dc.contributor.authorLeong, Kam Chewen
dc.identifier.citationWong, W. C., Chan, C. C., Li, T., Chen, L. H., Boo, J. L., Lee, K. X., et al. (2012). Miniature photonic crystal optical fiber humidity sensor based on polyvinyl alcohol. Proceedings of SPIE - OFS2012 22nd International Conference on Optical Fiber Sensors, 84216C.en
dc.description.abstractA compact photonic crystal fiber (PCF) humidity sensor based on modal interference has been proposed by the use of commercial fusion splicer to collapse the holes of PCF to form a Michelson interferometer with cladding mode excitation at the fiber tip. The sensor is then dipped coated in polyvinyl alcohol to make it sensitive to humidity. The shift of the interference fringes was measured when the sensor was placed in a humidity chamber of varying humidity. High sensitivity was obtained when the relative humidity is above 50% RH as an exponential relation of relative humidity and interference shift was established.en
dc.rights© 2012 SPIE. This paper was published in Proceedings of SPIE - OFS2012 22nd International Conference on Optical Fiber Sensors and is made available as an electronic reprint (preprint) with permission of SPIE. The paper can be found at the following official DOI: []. 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.titleMiniature photonic crystal optical fiber humidity sensor based on polyvinyl alcoholen
dc.typeConference Paperen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.contributor.conferenceInternational Conference on Optical Fiber Sensors (22nd : 2012 : Beijing, China)en
dc.description.versionPublished Versionen
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