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Image Information Obtained Using a Charge-Coupled Device (CCD) Camera During an Immersion Liquid Evaporation Process for Measuring the Refractive Index of Solid Particles
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion. University of Oulu, Oulu, Finland.
University of Oulu, Kajaani, Finland.
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Avdelningen för elektronikkonstruktion.
University of Oulu, Kajaani, Finland.
2018 (engelsk)Inngår i: Applied Spectroscopy, ISSN 0003-7028, E-ISSN 1943-3530, Vol. 72, nr 6, s. 908-912Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The refractive index is a fundamental physical property of a medium, which can be used for the identification and purity issues of all media. Here we describe a refractive index measurement technique to determine simultaneously the refractive index of different solid particles by monitoring the transmittance of light from a suspension using a charge-coupled device (CCD) camera. An important feature of the measurement is the liquid evaporation process for the refractive index matching of the solid particle and the immersion liquid; this was realized by using a pair of volatile and non-volatile immersion liquids. In this study, refractive indices of calcium fluoride (CaF2) and barium fluoride (BaF2) were determined using the proposed method.

sted, utgiver, år, opplag, sider
2018. Vol. 72, nr 6, s. 908-912
Emneord [en]
BaF2, barium fluoride, CaF2, calcium fluoride, CCD camera, charge-coupled device camera, evaporation, image immersion liquid method, liquid mixture, Refractive index
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Identifikatorer
URN: urn:nbn:se:miun:diva-33666DOI: 10.1177/0003702818756660ISI: 000434314700010PubMedID: 29336586Scopus ID: 2-s2.0-85046036635OAI: oai:DiVA.org:miun-33666DiVA, id: diva2:1209701
Tilgjengelig fra: 2018-05-23 Laget: 2018-05-23 Sist oppdatert: 2019-03-15bibliografisk kontrollert

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