Sensitivity improvements of exposed-core microstructured optical fibre Bragg grating refractive index sensors

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dc.contributor.authorWarren-Smith, S.
dc.contributor.authorMonro, T.
dc.contributor.conference23rd International Conference on Optical Fibre Sensors (2 Jun 2014 - 6 Jun 2014 : Santander, Spain)
dc.contributor.editorLopezHiguera, J.
dc.contributor.editorJones, J.
dc.contributor.editorLopezAmo, M.
dc.contributor.editorSantos, J.
dc.date.issued2014
dc.description.abstractG. Tsiminis andFemtosecond laser written Bragg gratings have been written in various exposed-core microstructured optical fibres (ECMOFs) for the first time. The EC-MOFs have different core diameters ranging from 2.7 micrometers to 12.5 micrometers and offer different degrees of core access depending on application requirements. Writing a Bragg grating on an open core fibre allows for refractive index based sensing, with a view to multiplexed biosensing. Smaller core fibres are shown both experimentally and theoretically to provide a higher sensitivity, with experimental sensitivities demonstrated up to 6.4 nm/RIU over the refractive index range from 1.333 (water) to 1.377 (isopropanolexperiments).
dc.description.statementofresponsibilityS. C. Warren-Smith and T. M. Monro
dc.identifier.citationProceedings of SPIE, 2014 / LopezHiguera, J., Jones, J., LopezAmo, M., Santos, J. (ed./s), vol.9157, pp.91577S-1-91577S-4
dc.identifier.doi10.1117/12.2059161
dc.identifier.isbn9781628411751
dc.identifier.issn0277-786X
dc.identifier.issn1996-756X
dc.identifier.orcidWarren-Smith, S. [0000-0002-2612-6344]
dc.identifier.urihttp://hdl.handle.net/2440/92430
dc.language.isoen
dc.publisherSPIE
dc.relation.ispartofseriesProceedings of SPIE
dc.rights© 2014 SPIE
dc.source.urihttps://doi.org/10.1117/12.2059161
dc.subjectMicrostructured optical fibres; fibre fabrication; Bragg grating sensors; label-free biosensing
dc.titleSensitivity improvements of exposed-core microstructured optical fibre Bragg grating refractive index sensors
dc.typeConference paper
pubs.publication-statusPublished

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