Hollow core photonic crystal fiber based viscometer with Raman spectroscopy

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dc.contributor.authorHoran, Laura E.
dc.contributor.authorRuth, Albert A.
dc.contributor.authorGunning, Fatima C. Garcia
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderIrish Research Council for Science Engineering and Technologyen
dc.date.accessioned2013-01-17T12:55:16Z
dc.date.available2013-01-17T12:55:16Z
dc.date.issued2012-12
dc.description.abstractThe velocity of a liquid flowing through the core of a hollow core photonic crystal fiber (driven by capillary forces) is used for the determination of a liquid's viscosity, using volumes of less than 10 nl. The simple optical technique used is based on the change in propagation characteristics of the fiber as it fills with the liquid of interest via capillary action, monitored by a laser source. Furthermore, the liquid filled hollow core photonic crystal fiber is then used as a vessel to collect Raman scattering from the sample to determine the molecular fingerprint of the liquid under study. This approach has a wide variety of indicative uses in cases where nano-liter samples are necessary. We use 10–12 cm lengths of hollow core photonic crystal fibers to determine the viscosity and Raman spectra of small volumes of two types of monosaccharides diluted in a phosphate buffer solution to demonstrate the principle. The observed Raman signal is strongest when only the core of the hollow core photonic crystal fiber is filled, and gradually decays as the rest of the fiber fills with the sample.en
dc.description.sponsorshipScience Foundation Ireland (grant 6/IN/I969 and 11/RFP.1/PHY/3233)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHORAN, L. E., RUTH, A. A. & GUNNING, F. C. G. 2012. Hollow core photonic crystal fiber based viscometer with Raman spectroscopy. The Journal of Chemical Physics, 137, 224504-8. http://dx.doi.org/10.1063/1.4771659en
dc.identifier.doi10.1063/1.4771659
dc.identifier.issn0021-9606
dc.identifier.issn1089-7690
dc.identifier.issued22en
dc.identifier.journaltitleJournal of Chemical Physicsen
dc.identifier.startpage224504en
dc.identifier.urihttps://hdl.handle.net/10468/894
dc.identifier.volume137en
dc.language.isoenen
dc.publisherAmerican Institute of Physicsen
dc.relation.urihttp://link.aip.org/link/?jcp/137/224504en
dc.rightsCopyright (2012) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in J. Chem. Phys. 137, 224504 (2012) and may be found at http://link.aip.org/link/?jcp/137/224504en
dc.subjectHoley fibresen
dc.subjectLiquidsen
dc.subjectOrganic compoundsen
dc.subjectPhotonic crystalsen
dc.subjectRaman spectraen
dc.subjectViscometersen
dc.subjectViscosityen
dc.titleHollow core photonic crystal fiber based viscometer with Raman spectroscopyen
dc.typeArticle (peer-reviewed)en
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