{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362262946140469760.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1063/1.1779954"}},{"identifier":{"@type":"URI","@value":"https://pubs.aip.org/aip/apl/article-pdf/85/7/1128/18592677/1128_1_online.pdf"}}],"dc:title":[{"@value":"Variable-focus liquid lens for miniature cameras"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>The meniscus between two immiscible liquids can be used as an optical lens. A change in curvature of this meniscus by electrowetting leads to a change in focal distance. It is demonstrated that two liquids in a tube form a self-centered lens with a high optical quality. The motion of the lens during a focusing action was studied by observation through the transparent tube wall. Finally, a miniature achromatic camera module was designed and constructed based on this adjustable lens, showing that it is excellently suited for use in portable applications.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382262946140469760","@type":"Researcher","foaf:name":[{"@value":"S. Kuiper"}],"jpcoar:affiliationName":[{"@value":"Philips Research Eindhoven , Prof. Holstlaan 4, 5656 AA Eindhoven, The Netherlands"}]},{"@id":"https://cir.nii.ac.jp/crid/1382262946140469761","@type":"Researcher","foaf:name":[{"@value":"B. H. W. 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