dc.creatorSilva, Susana
dc.creatorPachon, Edwin G P
dc.creatorFranco, Marcos A R
dc.creatorHayashi, Juliano G
dc.creatorMalcata, F Xavier
dc.creatorFrazão, Orlando
dc.creatorJorge, Pedro
dc.creatorCordeiro, Cristiano M B
dc.date2012-Jun
dc.date2015-11-27T13:28:37Z
dc.date2015-11-27T13:28:37Z
dc.date.accessioned2018-03-29T01:15:32Z
dc.date.available2018-03-29T01:15:32Z
dc.identifierApplied Optics. v. 51, n. 16, p. 3236-42, 2012-Jun.
dc.identifier1539-4522
dc.identifier
dc.identifierhttp://www.ncbi.nlm.nih.gov/pubmed/22695555
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/200052
dc.identifier22695555
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1300285
dc.descriptionThe proposed sensing device relies on the self-imaging effect that occurs in a pure silica multimode fiber (coreless MMF) section of a single-mode-multimode-single-mode (SMS)-based fiber structure. The influence of the coreless-MMF diameter on the external refractive index (RI) variation permitted the sensing head with the lowest MMF diameter (i.e., 55 μm) to exhibit the maximum sensitivity (2800  nm/RIU). This approach also implied an ultrahigh sensitivity of this fiber device to temperature variations in the liquid RI of 1.43: a maximum sensitivity of -1880  pm/°C was indeed attained. Therefore, the results produced were over 100-fold those of the typical value of approximately 13  pm/°C achieved in air using a similar device. Numerical analysis of an evanescent wave absorption sensor was performed, in order to extend the range of liquids with a detectable RI to above 1.43. The suggested model is an SMS fiber device where a polymer coating, with an RI as low as 1.3, is deposited over the coreless MMF; numerical results are presented pertaining to several polymer thicknesses in terms of external RI variation.
dc.description51
dc.description3236-42
dc.languageeng
dc.relationApplied Optics
dc.relationAppl Opt
dc.rightsfechado
dc.rights
dc.sourcePubMed
dc.titleUltrahigh-sensitivity Temperature Fiber Sensor Based On Multimode Interference.
dc.typeArtículos de revistas


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