{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,16]],"date-time":"2026-03-16T14:47:24Z","timestamp":1773672444772,"version":"3.50.1"},"reference-count":10,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2010,7,27]],"date-time":"2010-07-27T00:00:00Z","timestamp":1280188800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>A method for determination of the volume fraction in binary liquid mixtures by measurement of the equalization wavelength of intermodal interference of modes LP01 and LP11 in a liquid core optical fiber is presented in this paper. This method was studied using a liquid core optical fiber with fused silica cladding and a core made up of a binary silicon oil\/chloroform liquid mixture with different volume fractions of chloroform. The interference technique used allows us to determine the chloroform volume fraction in the binary mixture with accuracy better than 0.1%. One of the most attractive advantages of presented method is very small volume of investigated mixture needed, as only a few hundred picoliters are necessary for reliable results.<\/jats:p>","DOI":"10.3390\/s100807082","type":"journal-article","created":{"date-parts":[[2010,7,27]],"date-time":"2010-07-27T11:07:29Z","timestamp":1280228849000},"page":"7082-7088","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Volume Fraction Determination of Binary Liquid Mixtures by Measurement of the Equalization Wavelength"],"prefix":"10.3390","volume":"10","author":[{"given":"Ivan","family":"Martincek","sequence":"first","affiliation":[{"name":"Department of Physics, University of \u017dilina, Univerzitn\u00e1 1, SK- 01026, \u017dilina, Slovakia"}]},{"given":"Dusan","family":"Pudis","sequence":"additional","affiliation":[{"name":"Department of Physics, University of \u017dilina, Univerzitn\u00e1 1, SK- 01026, \u017dilina, Slovakia"}]},{"given":"Daniel","family":"Kacik","sequence":"additional","affiliation":[{"name":"Department of Physics, University of \u017dilina, Univerzitn\u00e1 1, SK- 01026, \u017dilina, Slovakia"}]},{"given":"Kay","family":"Schuster","sequence":"additional","affiliation":[{"name":"Institute of Photonic Technology Jena, D-07745, Jena, Germany"}]}],"member":"1968","published-online":{"date-parts":[[2010,7,27]]},"reference":[{"key":"ref_1","first-page":"343","article-title":"Density and comparative refractive index study on mixing properties of binary liquid mixtures of eucalyptol with hydrocarbons at 303.15, 308.15 and 313.15K","volume":"4","author":"Sharma","year":"2007","journal-title":"Eur. J. Chem"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/S0378-3812(99)00284-8","article-title":"Densities, refractive indices, and derived excess properties of the binary systems tert-butyl alcohol plus toluene, plus methylcyclohexane, and plus isooctane and toluene plus methylcyclohexane, and the ternary system tert-butyl alcohol plus toluene plus methylcyclohexane at 298.15 K","volume":"166","author":"Pena","year":"1999","journal-title":"Fluid. Phase Equilibria"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"226","DOI":"10.1263\/jbb.106.226","article-title":"Rapid conversion of toluene by an Acinetobacter sp. Tol 5 mutant showing monolayer adsorption to water-oil interface","volume":"106","author":"Watanabe","year":"2008","journal-title":"J. Biosci. Bioeng"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"14","DOI":"10.3788\/COL20100801.0014","article-title":"Tunable and low bending loss of liquid-core fiber","volume":"8","author":"Dai","year":"2010","journal-title":"Chin. Opt. Lett"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"1872","DOI":"10.3390\/s8031872","article-title":"High sensitive temperature sensor using a liquid-core optical fiber with small refractive index difference between core and cladding materials","volume":"8","author":"Xu","year":"2008","journal-title":"Sensors"},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"147","DOI":"10.1007\/BF02716982","article-title":"Application of refractive index mixing rules in binary systems of hexadecane and heptadecane with n-alkanols at different temperatures","volume":"115","author":"Mehra","year":"2003","journal-title":"Proc. Indian Acad. Sci. (Chem. Sci.)"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"587","DOI":"10.1109\/JSEN.2008.918700","article-title":"Inline liquid concentration measurement in nanoliter volume using fiber-optic low-coherence interferometry","volume":"8","author":"Djinovic","year":"2008","journal-title":"IEEE Sensors J"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"2150","DOI":"10.1109\/50.257983","article-title":"Sensing with a LP01\u2013LP02 intermodal interferometer","volume":"11","author":"Eftimov","year":"1993","journal-title":"J. Lightwave Technol"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"3895","DOI":"10.1016\/j.optcom.2009.06.051","article-title":"Fibre-optic interferometer formed by a section of small-core fibre spliced between standard fibres","volume":"282","author":"Ivanov","year":"2009","journal-title":"Opt. Commun"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"86","DOI":"10.1078\/0030-4026-00331","article-title":"The determination of the refractive index profile in alpha-profile optical fibres by intermodal interference investigation","volume":"115","author":"Martincek","year":"2004","journal-title":"Optik"}],"container-title":["Sensors"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/1424-8220\/10\/8\/7082\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T22:03:00Z","timestamp":1760220180000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/1424-8220\/10\/8\/7082"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2010,7,27]]},"references-count":10,"journal-issue":{"issue":"8","published-online":{"date-parts":[[2010,8]]}},"alternative-id":["s100807082"],"URL":"https:\/\/doi.org\/10.3390\/s100807082","relation":{},"ISSN":["1424-8220"],"issn-type":[{"value":"1424-8220","type":"electronic"}],"subject":[],"published":{"date-parts":[[2010,7,27]]}}}